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How to auto-resize textarea based on text input using JavaScript or jQuery?

March 30, 2021

All we need to do is just increase the height if the text input is beyond the height of the textarea.

We can do that using JavaScript scrollheight method.

Here’s another post on scrollHeight.

How to get the height and width of an element using JavaScript?

jQuery Solution

Check the demo out:

JavaScript Solution

We can access the textarea elements using Tag Name

Check the demo out:

There are plenty of other ways to do it as you can see in these answers on StackOverflow.

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