Automatically expanding and contracting text input area that adjusts to different amounts of content up to a certain

While similar questions have been asked before, none of them quite address the specific requirements in my title.

My goal is to create a basic textarea input that automatically adjusts its height based on content, up to a maximum height limit. Once this limit is reached, the input will scroll vertically.

I found a CSS and HTML solution that achieves this, but it has limited browser compatibility and may have bugs. Nevertheless, it demonstrates what I am aiming for.

HTML:

<div contenteditable>
    type here...
</div>

CSS:

div[contenteditable] {
    border: 1px solid black;
    max-height: 100px;
    overflow-y: auto;
    overflow-x: hidden;
    width: 200px;
}

Check Out the Working Example Here

Is there an alternative solution that does not rely on contenteditable, but still allows a text input or textarea to replicate the behavior shown above?

Answer №1

After searching for a solution to the same issue, I discovered that utilizing elastic javascript was the most versatile solution. It has been tested on all modern browsers, including compatibility with IE9 and up:

To see a live demonstration, click here: http://jsfiddle.net/mupbrtpv/

To prevent the textarea from expanding beyond your preferred limit, set a max-height of your choice.

HTML:

<textarea id="description" placeholder="input your text here"></textarea>

CSS:

textarea#description{width: 300px; max-height: 400px;}

Javscript:

$('#description').elastic();

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