How to change the shape of a textarea using JavaScript ? Last Updated : 12 Jul, 2025 Summarize Comments Improve Suggest changes Share Like Article Like Report In General, Textarea will be in the form of rectangular or square shapes, but here we will deal with Unusual shapes of textarea which means this textarea will not be regular shapes but editable. Method 1: In the first method, let's see the irregular editable textarea created using CSS-shapes and content editable attribute when it is true. Example: html <style> div { top: 124px; margin-left: 150px; outline: none; } #parallelogram { color: white; font-weight: bold; width: 250px; height: 200px; transform: skew(20deg); background: #f00; overflow: hidden; } #eq-triangle { width: 300px; height: 0; border-bottom: 104px solid blue; /* 104 = 120 * 0.866 */ border-left: 60px solid transparent; border-right: 60px solid transparent; } .circle { display: table-cell; padding: 40px; width: 200px; height: 200px; border-radius: 50%; font-size: 30px; color: #fff; line-height: 50px; text-align: center; background: #40a977; word-break: break-all; justify-content: center; overflow: hidden; } </style> <h1>Parallelogram Shaped TextArea</h1> <label> <h3>Enter Comments:</h3> </label> <div id="parallelogram" contenteditable="true"> Enter the something... </div> <h1>eq-triangle shaped TextArea</h1> <label> <h3>Enter Comments:</h3> </label> <div id="eq-triangle" contenteditable="true"> Enter the something... </div> <h1>Circle shaped TextArea</h1> <label> <h3>Enter Comments:</h3> </label> <div class="circle" contenteditable="true"> Enter the something... </div> Output: Method 2: Change the shape of textarea using JavaScript. First, get the element using id and then change the shape using style.transform = "skew(40deg)";. Example: Let's use javascript to create unusual textarea. html <style> textarea { color: brown; font-weight: bold; width: 250px; height: 200px; background: #ff7; overflow: hidden; } </style> <h1 style="color:green"> GeeksforGeeks </h1> <center> <textarea id="myP"> Unusual shape of a textarea </textarea> </center> <br> <button onclick="myFunction()"> Try it </button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById( "myP").style.transform = "skew(-30deg)"; document.getElementById("demo").innerHTML = x; } </script> Output: How to change the shape of a textarea using JavaScript? Comment More infoAdvertise with us Next Article How to Add Text Formatting to a Textarea using JavaScript? V VigneshKannan3 Follow Improve Article Tags : JavaScript JavaScript-Questions Similar Reads JavaScript - How to Change the Content of a <Textarea> ? Here are the various methods to change the content of a textarea using JavaScript.1. Using value PropertyThe value property is the most common method to change or retrieve the content of a <textarea>.HTML<textarea id="myTextarea">Initial content</textarea> <button onclick="chang 2 min read JavaScript - How to Change the Content of a <Textarea> ? Here are the various methods to change the content of a textarea using JavaScript.1. Using value PropertyThe value property is the most common method to change or retrieve the content of a <textarea>.HTML<textarea id="myTextarea">Initial content</textarea> <button onclick="chang 2 min read How to Add Text Formatting to a Textarea using JavaScript? To add text formatting (such as bold, italic, or inserting special characters) to a <textarea> using JavaScript, you can manipulate the selected text or insert formatted text at the cursor position. This can be done by directly modifying the value of the <textarea> based on user interact 3 min read How to create auto-resize textarea using JavaScript/jQuery ? Creating an auto-resize textarea using JavaScript or jQuery means dynamically adjusting the height of the textarea to fit its content as the user types. This enhances user experience by preventing the need for scrolling within the textarea, ensuring all content is visible.Table of ContentUsing JavaS 3 min read How to create auto-resize textarea using JavaScript/jQuery ? Creating an auto-resize textarea using JavaScript or jQuery means dynamically adjusting the height of the textarea to fit its content as the user types. This enhances user experience by preventing the need for scrolling within the textarea, ensuring all content is visible.Table of ContentUsing JavaS 3 min read How to make a word count in textarea using JavaScript ? Counting words may be useful in scenarios where the user is recommended to enter a certain number of words and the word counter can keep track of the same. Below are approaches to make a word count in textarea using JavaScript:Table of Content Calculating the number of spaces present in the textSepa 4 min read Like