JavaScript - How to Change the Content of a <Textarea> ? Last Updated : 17 Apr, 2025 Comments Improve Suggest changes Like Article Like Report 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="changeContent()">Change Content</button> <script> function changeContent() { const textarea = document.getElementById("myTextarea"); textarea.value = "New content using value property!"; } </script> OutputChange the Content of a Textarea using JavaScript2. Using innerHTML PropertyWhile innerHTML is not typically used for <textarea>, it can modify its content when treated as a standard HTML element. HTML <textarea id="myTextarea">Initial content</textarea> <button onclick="changeContent()">Change Content</button> <script> function changeContent() { const textarea = document.getElementById("myTextarea"); textarea.innerHTML = "New content using innerHTML!"; } </script> OutputChange the Content of a Textarea using JavaScript3. Using innerText PropertySimilar to innerHTML, this property modify the visible text of the <textarea>. HTML <textarea id="myText">Initial content</textarea> <button onclick="changeText()">Change Content</button> <script> function changeText() { const textarea = document.getElementById("myText"); textarea.innerText = "New content using innerText!"; } </script> OutputChange the Content of a Textarea using JavaScript4. Using Event Listeners for Dynamic UpdatesYou can use event listeners to change the content interactively. HTML <textarea id="myText">Initial content</textarea> <button id="updateButton">Change Content</button> <script> document.getElementById("updateButton").addEventListener("click", () => { const textarea = document.getElementById("myText"); textarea.value = "Content updated using event listeners!"; }); </script> Output Change the Content of a Textarea using JavaScriptWhich approach to choose?value Property: Most common and versatile.innerHTML/innerText: Rarely used for <textarea>; more suited for other elements.Event Listeners: Best for dynamic and interactive updates. Comment More infoAdvertise with us Next Article JavaScript - How to Change the Content of a <Textarea> ? R Rajnis09 Follow Improve Article Tags : JavaScript Web Technologies javascript-string JavaScript-Questions Similar Reads How to change the shape of a textarea using JavaScript ? 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