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How Can I Create Self-Adjusting Textareas in JavaScript?
- Patricia ArquetteOriginal
- 2024-12-15 06:30:11414browse
Auto-height Textareas
One common challenge when working with textareas is ensuring they adjust their height to accommodate the user's input without the need for a scrollbar. This concern arises in scenarios where the textarea's content often varies in length. Here's how you can achieve this using pure JavaScript:
The code snippet provided leverages a JavaScript function named auto_grow that dynamically adjusts the textarea's height based on its content:
function auto_grow(element) {
element.style.height = "5px";
element.style.height = (element.scrollHeight) + "px";
}
In the CSS, you can define the following styles to remove the scrollbar and set minimum and maximum heights:
textarea {
resize: none;
overflow: hidden;
min-height: 50px;
max-height: 100px;
}
To implement this functionality, simply add the oninput attribute to your