Decode HTML Entities Using Vanilla JavaScript One of the simplest ways of decoding HTML entities is by using vanilla JavaScript. The tag used to achieve this is thetextarea. First, we will create a function calleddecodeEntity(), which takes a string as an input. We will pass thestrvariable...
If you want to decode a URL component in JavaScript, you can use the built-in function decodeURIComponent(). This function converts percent-encoded characters back into their original form, such as spaces, special symbols, and non-English letters. In this article, you will learn how to use...
How to decode an image How to read image metadata How to get image properties How to write image metadata How to get pixel data in the default format How to get pixel data in a particular format How to edit an image How to encode a new image ...
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return decodeURIComponent ( cookie_value[1] ) ; } } } return '' ; } To use the function, include it somewhere in the HEAD of your web page, and call it with the name of the cookie variable that you set earlier. The string returned will be the decoded string you used to set the...
htmlDecode("<img src='dummy' onerror='alert(/xss/)'>"); The string contains an unescaped HTML tag, so instead of decoding the htmlDecode function will run JavaScript code specified inside the string. To avoid this you can use DOMParser which is supported in all major browsers: Javascri...
Let us look at the JavaScript native functions that can be used for this purpose. decodeURI() method The decodeURI() function is used to decode a full URL in JavaScript. It performs the reverse operation of encodeURI(). Here is an example: const encodedUrl = 'http://example.com/!leea...
The encodeURI() and encodeURIComponent() methods have a corresponding decodeURI() and decodeURIComponent() which does the opposite job which you can use on the backend if you use Node.js.Written on Dec 4, 2018 → Get my JavaScript Beginner's Handbook I wrote 20 books to help you ...
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The Document Object Model (DOM) is an interface that gives scripting languages, like JavaScript, access to a web page’s structure and content. You can learn more about the DOM and how it represents HTML in our guideIntroduction to the DOM. ...