Implement htmlspecialchars with how-to, Q&A, fixes, code snippets. Is there a function equivalent to PHP's htmlspecialchars built into JavaScript? For Node.js users (or users using the Jade runtime in the browser), you can use Jade's escape function. This function returns a string with some of these conversions made; the translations made are those most useful for everyday web programming. To review, open the file in an editor that reveals hidden Unicode characters. This in itself does not prevent SQL Injection! This is very useful if, like me, you have to insert things in a php database with the htmlspecialchars() function and you want to retrieve them in Javascript but in a decoded format . There is a problem with your solution code--it will only escape the first occurrence of each special character. Thank you for your help! By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Add a new light switch in line with another switch? One important thing I've discovered is that if your text contains newlines, then you will have to either replace them with HTML line breaks (something like, @stellatedHexahedron, thanks for raising up this issue. Is the EU Border Guard Agency able to tell Russian passports issued in Ukraine or Georgia from the legitimate ones? Where does the idea of selling dragon parts come from? htmlspecialchars <form action=" method="post"> $_SERVER["PHP_SELF"] PHP ()-SQL SQL (SQL Injection) sql . Yeah bro, i just realized that when i replaced the encoded code with decoded code. string, quoteStyle, charset, doubleEncode, // discuss at: https://locutus.io/php/htmlspecialchars/, // improved by: Kevin van Zonneveld (https://kvz.io), // bugfixed by: Brett Zamir (https://brett-zamir.me), // revised by: Kevin van Zonneveld (https://kvz.io), // input by: Mailfaker (https://www.weedem.fr/), // reimplemented by: Brett Zamir (https://brett-zamir.me), // note 1: charset argument not supported, // example 1: htmlspecialchars("", 'ENT_QUOTES'), // returns 1: '<a href='test'>Test</a>', // example 2: htmlspecialchars("ab\"c'd", ['ENT_NOQUOTES', 'ENT_QUOTES']), // example 3: htmlspecialchars('my "&entity;" is still here', null, null, false), // returns 3: 'my "&entity;" is still here', // Put this first to avoid double-encoding, // Allow for a single string or an array of string flags, // Resolve string input to bitwise e.g. So in the page source, you will still see the encoded <tag>. htmlspecialchars by javascript (using jQuery) Raw jquery.h.js This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. rev2022.12.9.43105. Making statements based on opinion; back them up with references or personal experience. The htmlspecialchars_decode () function converts some predefined HTML entities to characters. base64. Thanks. This means that we don't consider it to be a bad thing that many of About, Data Protection & Imprint The information on the mod_rewrite cheat sheet is without any commitment. How can I validate an email address in JavaScript? Install for Node.js npm install htmlspecialchars and Our philosophy follows Apparently, this is harder to find than I thought it would be. Where does the idea of selling dragon parts come from? (not not) operator in JavaScript? Why does the distance from light to subject affect exposure (inverse square law) while from subject to lens does not? Any idea why this is happening? Convert special characters to HTML in JavaScript, Javascript encodeURIComponent doesn't encode single quotes. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. v . Need information about htmlspecialchars? Most references online point to encodeURI or encodeURIComponent, which will kind-of work; however those functions are intended for URI escaping, which has different rules. Converting < and > into entities are often used to prevent browsers from using it as an HTML element. See it in action here: http://jsfiddle.net/E3EqX/13/ (this example uses jQuery for element selectors used in the example. and are there any other advantages (say, if you have unicode characters or something)? By the use of htmlspecialchars method, we can encode our string by specifying certain parameters for it. How to Prevent XSS Using HTML XSS allows attackers to inject malicious codes or scripts into webpages, targeting unsuspecting users visiting the site. javascript jquery html htmlspecialchars Share Follow edited May 23, 2017 at 12:19 Community Bot Please note that these examples are distilled from test cases that automatically verify Also you can see that in the resulting HTML not everything is encoded, only the minimum that is needed for it to be valid. PHP's htmlspecialchars in JavaScript Here's what our current JavaScript equivalent to PHP's htmlspecialchars looks like. This is some bold text. In PHP htmlspecialchars method is used for encoding of the string. Pretty easy to remember (you don't need to memorize the 5 HTML escape characters), Reasonably fast (it's still faster than 5 chained replace). In the database i see, So in that message page i see the post that was just inserted. @BlackSunPhoenixEntertainmen - The point of encoding the data is to be able to output the string as it was written without the browser interpreting it as HTML. You are not safe. This is highly effective against XSS Attacks (but not SQL Injection). How do I return the response from an asynchronous call? npm package 'htmlspecialchars' Popularity: Medium (more popular than 90% of all packages) . php,htmlspecialchars,,,,,,HTML,function,shtmlspe -php html5,vscode,ubuntu,tomcat,sqlite,,phpip,seo,,lzw It's also the recommended approach even if it's just for testing purpose and it's not that hard to implement. a build/transpile step. Browserify, or Become a Patron! htmlspecialchars() should be used to prevent people from posting HTML (converting < and > to < and >). We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. production guarantees, and recommend to use Locutus inspiration Using the textContent attribute. index.phpAjaxPOSTGETAjax_mysql.phpget500 phpjavascript PHP Ajax_mysql.php . For sanitizing HTML out of input, htmlspecialchars is perfectly adequate unless you WANT to allow certain tags, in which case you can use a library like HTMLPurifier. You can use regex to replace any character in a given unicode range with its html entity equivalent. We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. Parcel, What is the most efficient way to deep clone an object in JavaScript? How do I correctly clone a JavaScript object? To learn more, see our tips on writing great answers. Not the answer you're looking for? Package Galaxy. Ready to optimize your JavaScript with Rust? As mentioned in comment double quotes and single quotes are left as-is for this implementation. I've spent way to long looking for such a simple solution. Reply to this topic; Start new topic; any idea if there is any overhead to this--adding a dummy object to the DOM? use javascript-htmlspecialchars string &#lt; output in HTML &#lt; Usage in javascript var str = '<'; str = util.htmlspecialchars(str); document.getElementById('area_1').innerHTML= 'innerHTML-' + str; // jQuery $('#area_2').html('html-' + str); $('#area_3').append('append-' + '<span>' + str + '</span>'); Connect and share knowledge within a single location that is structured and easy to search. HTML entities that will be decoded are: & becomes & (ampersand) " becomes " (double quote) ' becomes ' (single quote) < becomes < (less than) > becomes > (greater than) The htmlspecialchars_decode () function is the opposite of htmlspecialchars (). _.escape(string) can also be used on lodash, Thanks for this! 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The code would look something like this: This code will replace all characters in the given range (unicode 00A0 - 9999, as well as ampersand, greater & less than) with their html entity equivalents, which is simply nnn; where nnn is the unicode value we get from charCodeAt. You should save it "as is" which isn't an issue if you use parameterized, I think you're mixing up two different security issues. This is benchmarking as the fastest with both a long (326KB Google search result) and short input string on jsperf (, What is the difference between this one the the answer that got the highest votes?. Add a new light switch in line with another switch? This could explain some quirky ones. PHP's htmlspecialchars Implemented in JavaScript | by Charles Stover | Medium 500 Apologies, but something went wrong on our end. rev2022.12.9.43105. 's answer. htmlspecialchars is a JavaScript library. require it via require('locutus/php/strings/htmlspecialchars'). htmlspecialchars encodes html characters, for example
will be replaced with <tag>. What is the JavaScript version of sleep()? We hope that these flaws will inspire others to come up with better ideas. Here's a test: Too bad, I'll just have to use a custom function then. unescape text encoded in php, in javascript. before publishing to npm. by accessing innerHTML - this is what happens when you run $('').text(value).html(); suggested in other answers. You're right that. However, it would be nice to be able to escape output that is not trusted or known. htmlspecialchars_decode is used to decode html entities! For example, why is it exactly those five characters? Ready to optimize your JavaScript with Rust? That means if you put the string through htmlspecialchars and echo it into the page, the user will see the actual string. What Is the Htmlspecialchars Equivalent in JavaScript, HTML Character entities - http://www.chucke.com/entities.html. Unfortunately I suspect is not the same with js. How to convert html special chars to ordinary HTML? More precisely, no escaping is needed and no encoding will be performed underneath**, since you are working around HTML, the textual representation of DOM. Ryan Groves article There's more to HTML escaping than &, <, >, and " is a good read on the topic. How do I copy to the clipboard in JavaScript? Did neanderthals need vitamin C from the diet? Not the answer you're looking for? (not not) operator in JavaScript? our functions still work correctly. Use classList to edit classes, dataset to set data- attributes and setAttribute for others. . Heres what our current JavaScript equivalent to PHP's htmlspecialchars looks like. htmlspecialchars; Javascript. the source files, meaning it may not work in all browsers without Where is it documented? To learn more, see our tips on writing great answers. It does scale better though. Why does my stock Samsung Galaxy phone/tablet lack some features compared to other Samsung Galaxy models? The predefined characters are: & (ampersand) becomes & " (double quote) becomes " ' (single quote) becomes ' < (less than) becomes < > (greater than) becomes > Tip: To convert special HTML entities back to characters, use the htmlspecialchars_decode () function. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Something I found with this: double quotes and single quotes are left as-is. When would I give a checkpoint to my D&D party that they can return to if they die? It's not a built-in JavaScript function, but if you are already using Underscore.js, it is a better alternative than writing your own function if your strings to convert are not too large. PHPhtmlspecialchars firefox XSS MeMe . php by . ENT_QUOTEShtmlspecialchars (')HTML PHP PHP's htmlspecialchars_decode in JavaScript Here's what our current JavaScript equivalent to PHP's htmlspecialchars_decode looks like. and learning purposes only. Underscore.js provides a function for this: Escapes a string for insertion into HTML, replacing &, <, >, ", and ' characters. 2022 ITCodar.com. This can be important because Locutus allows modern JavaScript in I need to convert with escaped htmlspecialchars to a valid HTML code, for example: <p>Text here</p> should be displayed in the browser like Text here What is the right way to do that? Learn more about bidirectional Unicode characters . This should be the accepted and highest voted answer. If you want to escape your input because of security considerations to protect you from sql injections, you could use mysqli_real_escape_string instead. You still may see instances where the characters do not display correctly, depending on system font configuration and other issues out of your control. ,php,javascript,security,xss,Php,Javascript,Security,Xss. and jQuery .appendTo method worked for me. htmlspecialchars and javascript injection htmlspecialchars and javascript injection. I know it's fairly easy to implement that yourself, but using a built-in function, if available, is just nicer. If you still need to escape HTML special characters, take a look at this NPM package : https://www.npmjs.com/package/html-entities. This will only decode the five characters which (outside of non-Unicode documents). The question isn't asking how to decode entities. Using the replace () method. Even faster than assigning a static preencoded string to innerHTML. Syntax What is the most efficient way to deep clone an object in JavaScript? So here's a function that does that, with a usage example: You should verify the entity ranges I have provided to validate the safety of the function yourself. This is highly effective against XSS Attacks (but not SQL Injection). What is the !! If you see the "cross", you're on the right track, Sed based on 2 words, then replace whole line with variable. webpack, For those unfamiliar with PHP, htmlspecialchars translates stuff like <htmltag/> into <htmltag/> I know that escape () and encodeURI () do not work this way. It is done context-dependently, that's why this jQuery method doesn't encode quotes and therefore should not be used as a general purpose escaper. That makes this problematic if you want to use it in an attribute value. Syntax (. With something as gigantic as a Google search result page (326KB), it's 25-30% faster than the replaces or doing this in straight javascript. You can try the method in the link I've included in my post. Okay, it works. kandi ratings - Low support, No Bugs, No Vulnerabilities. One or more of these three different areas can work together. I am trying to filter the user's input from malicious code to prevent XSS attack. Is it possible to hide or delete the new Toolbar in 13.1? Is there a function equivalent to PHP's htmlspecialchars built into JavaScript? E.g. If you want to use the string on the page so it gets interpreted as normal html command, you have to use htmlspecialchars_decode (Docs) to convert it back after you loaded the content back from the database. Something can be done or not a fit? Decode PHP's htmlspecialchars encoding with Javascript Raw decodeHtmlspecialChars.js This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content. There is a library for this. For example: The following code will produce identical results to the above, but it performs better, particularly on large blocks of text (thanks jbo5112). bin2hex. If you use the DOM API, you don't have to care about escaping at all. Why is the federal judiciary of the United States divided into circuits? Since your code is already in the browser*, you can access the DOM directly instead of generating and encoding HTML that will have to be decoded backwards by the browser to be actually used. Yah, that page's code looks logical but I didn't test it out. If you intend to target the browser, you can then use a module bundler such as A fast way to see that some unexpected (and invisible in alert box) string is coming, is to alert the string length instead of the string itslef. Is the htmlspecialchars command only meant to be for output? What does "use strict" do in JavaScript, and what is the reasoning behind it? And don't run it on already encoded strings e.g. There isn't any sense in writing it yourself if someone else is maintaining it. Are there breakers which can be triggered by an external signal and have to be reset by hand? I'm not sure why it had no votes. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Continued Use Requires Signup" When Attempting to Google Plus Login on My Web App, How to Send Formdata Objects With Ajax-Requests in Jquery, What's the Effect of Adding 'Return False' to a Click Event Listener, Programmatically Change the Src of an Img Tag, How to Calculate the Number of Days Between Two Dates, How to Set Html5 Required Attribute in JavaScript, When Is Nodelist Live and When Is It Static, Force a Browser to Save File as After Clicking Link, About Us | Contact Us | Privacy Policy | Free Tutorials. OWASP recommends that "[e]xcept for alphanumeric characters, [you should] escape all characters with ASCII values less than 256 with the HH; format (or a named entity if available) to prevent switching out of [an] attribute.". This does the opposite of what the question is asking for. module .exports = function htmlspecialchars (string, quoteStyle, charset, doubleEncode) { let optTemp = 0 let i = 0 let noquotes = false if ( typeof quoteStyle === 'undefined' || quoteStyle === null) { quoteStyle = 2 } Should teachers encourage good students to help weaker ones? For those unfamiliar with PHP, htmlspecialchars translates stuff like into <htmltag/> I know that escape() and encodeURI() do not work this way. Would salt mines, lakes or flats be reasonably found in high, snowy elevations? Yeah i know i am not using prepared statements, but i made that code just for testing purposes. You you can install via npm install locutus and Use innerText property to insert plain text into the DOM safely and much faster than using any of the presented escape functions. This way of working also means that we don't offer any Cooking roast potatoes with a slow cooked roast. If you're actually seeing thos characters on the HTML page - which you should - then the, You should avoid escaping data before you store it in your database. our functions are first iterations, which may still have their None of the characters which have special meaning in JSON have special meaning in HTML (except for the quote characters which ENT_NOQUOTES explicitly excludes). There is a problem with your solution code--it will only escape the first occurrence of each special character. The input is contained in the $post variable. Locutus does transpile all functions to ES5 function htmlspecialchars (php) in javascript (js) - GitHub - DevNull-IR/htmlspecialchars-js: function htmlspecialchars (php) in javascript (js) The base code itself, above, does not use jQuery). so your example with mysqli and prepared statements would be: note that I didn't include any error handling. There are different approaches to solve the above problem given below. . The htmlspecialchars () function converts some predefined characters to HTML entities. Back to results. http://sanzon.wordpress.com/2008/05/01/neat-little-html-encoding-trick-in-javascript/, Worth a read: home Front End HTML CSS JavaScript HTML5 Schema.org php.js Twitter Bootstrap Responsive Web Design tutorial Zurb Foundation 3 tutorials Pure CSS HTML5 Canvas JavaScript Course Icon Angular Vue Jest Mocha NPM Yarn Back End PHP . To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The map variable should be declared above the function so that it isn't re-created each time, it will perform even better. The HTML output of the code above will be (View Source): The browser output of the code above will be: The htmlspecialchars() function converts some predefined characters to HTML entities. This can be especially useful to prevent code from running when users have access to display input on your homepage. Usage console.log(htmlspecialchars("</script>'foo!")); // </script>'foo! There's no native javascript function to do that, but you can google and get some nicely done up ones. So if you check the page source, you will see the encoded string while the browser will output the "real" characters in the view. How to smoothen the round border of a created buffer to make it look more natural? nice thing about this function is that it works in node.js which doesn't have a dom by default, It's faster to use a single replace and mapping function, and the single replace scales much better. Please respond by, ASCII is ranged from 32 to 126 according to. It is provided without guarantee of its accuracy or timeliness. What is the HtmlSpecialChars equivalent in JavaScript? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. For example: escapeHtml('Kip\'s evil "test" code\'s here'); See Rule #3 on OWASP's XSS Cheat Sheet. This doesn't take into account the rules for when the semi-colon is optional. You could also use this regular expression which has better readability and should cover the same character codes, but is about 10% less performant in my browser: This solution uses the numerical code of the characters, for example < is replaced by <. What Is the Htmlspecialchars Equivalent in JavaScript; What is the HtmlSpecialChars equivalent in JavaScript? It uses the standard function createElement to create an invisible element, then uses the function textContent to set any string as its content and then innerHTML to get the content in its HTML representation. Refresh the page, check Medium 's site status, or find. Package Galaxy / Javascript / htmlspecialchars. The point of htmlspecialchars is to remove any HTML special characters and replace them with Ampersand-Codes which will show the character but not get interpreted as HTML. I would still consider it a bug with the plugin. It makes the data safe for dumping into HTML documents (so long as it isn't placed inside an attribute value) via innerHTML. What is the logic behind the selection of them? All of these will handle escaping for you. Readme htmlspecialchars Escape special characters to HTML entities in JavaScript Simple No dependencies Asking for help, clarification, or responding to other answers. An explanation could help the users understand better. So if your final goal is to insert some data into the document, by doing it this way you'll be doing the work twice. This means, there may be other tags available for this package, such as next to indicate future releases, or stable to indicate stable releases. Love podcasts or audiobooks? The new link though works, I've verified it myself. E.g. Although its performance is slightly worse than the solution using a map, it has the advantages: I am elaborating a bit on o.k.w. The browser started to redirect me unlimited times on the same page. quoted-printable. If he had met some scary fish, he would immediately return to the surface. Why is Singapore currently considered to be a dictatorial regime and a multi-party democracy by different publications? By fohanlon, July 22, 2009 in PHP Coding Help. You can use the browser's DOM functions for that. How do I modify the URL without reloading the page? I know it's fairly easy to implement that yourself, but using a built-in function, if available, is just nicer. All Rights Reserved. To review, open the file in an editor that reveals hidden Unicode characters. uuencode. Connect and share knowledge within a single location that is structured and easy to search. htmlspecialchars has more than a single and default latest tag published for the npm package. Share More sharing options. What is the !! For example: mail ("example@example.com", "Contact Message", "Name: ".htmlspecialchars ($_POST ['name'])." By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. But using prepared statements would be the best choice, because you define exactly what you expect as parameters for your statements and the values provided cannot mess it up. Asking for help, clarification, or responding to other answers. Using the createTextNode () Method. Why is this usage of "I've to work" so awkward? And depending on your context, the following RegEx may very well be needed in order to avoid XSS injection: Chances are you don't need such a function. Thanks for contributing an answer to Stack Overflow! It is only used to sanitize strings which you want to show to the user. What does "use strict" do in JavaScript, and what is the reasoning behind it? Pretty neat concept indeed. . All Languages >> PHP >> htmlspecialchars in javascript "htmlspecialchars in javascript" Code Answer. rollup.js. Not unlike Wikipedia, Locutus is an ongoing community effort. What is the difference between "let" and "var"? The rubber protection cover does not pass through the hole in the rim. punycode. This code is easier to understand though, and I doubt that shaving a few milliseconds off of escapeHtml() is going to make a difference unless you are calling it hundreds of times in a row for some reason. Are the S&P 500 and Dow Jones Industrial Average securities? You could json encode it if you just need a string literal, but I would use ESAPI for PHP to take care of this. Third party library, no native support; Encodings supported. Better way to check if an element only exists in one array, Name of a play about the morality of prostitution (kind of). What is the difference between "let" and "var"? It affected the post when it got submitted to the database, but when i display it in the message page.. i see again. Yet another take at this is to forgo all the character mapping altogether and to instead convert all unwanted characters into their respective numeric character references, e.g. I've already updated the post some time back. <?php $new = htmlspecialchars(" Test ", ENT_QUOTES); echo $new; // Test ?> js alert is so poor. There is a problem with your solution code--it will only escape the first occurrence of each special character. You could also require the strings module in full Yes, this is a correct usage of htmlspecialchars. Does a 120cc engine burn 120cc of fuel a minute? You may want to use this function for the message. htmlentities. When you load that string back from database and display it, the browser will still display <tag> as , but it won't be treated as html instruction by the browser. Quotes escaping is needed when you're constructing HTML as a string with untrusted or quote-containing data at the place of an attribute's value. Here's a solution that will work in practically every web browser: If you only support modern web browsers (2020+), then you can use the new replaceAll function: Well, to answer your question, it depends. How do I make the first letter of a string uppercase in JavaScript? fair share of issues. If you're placing user input in HREF, ONCLICK, or any attribute that allows scripting, you're just asking for trouble. @jbo5112 good point, I didn't realize JS allowed callbacks for replacement. That means this solution should not be used if you need to make element attribute as a raw html string. The htmlspecialchars () function is used for escaping special characters to prevent possible XSS attacks if you use this function the correct way. For example: The following code will produce identical results to the above, but it performs better, particularly on large blocks of text (thanks jbo5112). To protect that, you'd need to use a JS aware escaping function. The McDonalds Theory. First of all, if you set your encoding correctly (on the html page and in the database or convert before inserting/after selecting) you shouldn't need to convert special chars to HTML entities to avoid the described behaviour. so that you could access strings.htmlspecialchars instead. Is it possible to hide or delete the new Toolbar in 13.1? But i don't see the effect of htmlspecialchars? * This answer is not intended for server-side JavaScript users (Node.js, etc.). Making statements based on opinion; back them up with references or personal experience. How to decode HTML entities using jQuery? But taking into account your desire for different handling of single/double quotes. Learn on the go with our new app. How to check whether a string contains a substring in JavaScript? 'ENT_IGNORE' becomes 4. ** Unless you explicitly convert it to actual HTML afterwards. Learn more about bidirectional Unicode characters . To prevent SQL Injection use prepared statements (I discourage you from using any other forms of escaping like mysqli_real_escape_string because using prepared statements makes it completely impossible). htmlspecialchars is an extremely useful PHP function. : Note that the specified RegEx only handles the specific characters that the OP wanted to escape but, depending on the context that the escaped HTML is going to be used, these characters may not be sufficient. @RadekMatj Even in that case it is perfectly valid (preferable I would argue) for both ampersands to be encoded when used in an HTML document. module .exports = function htmlspecialchars_decode (string, quoteStyle) { let optTemp = 0 let i = 0 let noquotes = false if ( typeof quoteStyle === 'undefined') { quoteStyle = 2 } string = string.toString () Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. I've changed my answer to recommend, An explanation would be in order. Creating markup with JavaScript for fun and profit is easy due to innerHTML. HtmlSpecialChars equivalent in Javascript? how people vote on this answer: answer has jquery:+1 - does NOT escape single and double quotes: ummmm..(scratching head).. +1. However, they all consistently lose to a single replace and a mapping function. Here, we will replace all special characters with Unicode to escape HTML special chars and use them inside the HTML string. If you're doing: Then they will not be able to inject scripts into your application. Its use is defined by the PHP manual as such: Certain characters have special significance in HTML, and should be represented by HTML entities if they are to preserve their meanings. htmlspecialchars Escape special characters to HTML entities in JavaScript Simple No dependencies Available in browsers, AMD (RequireJS) and CommonJS (Node.js). This function is useful in preventing user-supplied text from containing HTML markup, such as in a message board or guest book application. Check download stats, version history, popularity, recent code changes and more. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Not entirely sure I understand the problem. No License, Build available. Are there breakers which can be triggered by an external signal and have to be reset by hand? Thanks in advance, Ivan. How do I remove a property from a JavaScript object? Why is apparent power not measured in Watts? Find centralized, trusted content and collaborate around the technologies you use most. Find centralized, trusted content and collaborate around the technologies you use most. php has got some really good tools, var_dump, print_r, htmlspecialchars etc. Sed based on 2 words, then replace whole line with variable. & becomes & From related question Escaping HTML strings with jQuery. Followers 0. The point of htmlspecialchars is to remove any HTML special characters and replace them with Ampersand-Codes which will show the character but not get interpreted as HTML. htmlspecialchars has no bugs, it has no vulnerabilities and it has low support. Thanks for contributing an answer to Stack Overflow! For small chunks of text, this takes 30x as long as running all of the replaces. What happens if you score more than 99 points in volleyball? And it even is so simple Is there a function equivalent to PHP's htmlspecialchars built into JavaScript? What is the bulge on the back of my Smeg refrigerator? Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content. Designed by Colorlib. The htmlspecialchars_decode() funciton is used to convert special HTML entities back to characters. htmlspecialchars method converts some special character of the string into HTML based entities, we have some of the pre-defined characters which got converted by this . The thing that bothered me was that i was seeing the code NOT encoded on the browser output. urlencode. How do I include a JavaScript file in another JavaScript file? . HTML entities that will be decoded are: & becomes & (ampersand) " becomes " (double quote) ' becomes ' (single quote) < becomes < (less than) > becomes > (greater than) The htmlspecialchars_decode () function is the opposite of htmlspecialchars (). It has an equivalent to PHP htmlentities function:http://phpjs.org/functions/htmlentities/. If you do not put it through htmlspecialchars the browser would think that it's a