How to Prevent Form Submission and Create a New Line with Shift Enter in a Textarea?

How to Detect "Shift Enter" and Generate a New Line in Textarea?

In form submissions, pressing Enter typically triggers the form's submission. However, in many text areas, it's desirable to allow users to press Shift Enter to create a new line instead.

Solution 1: Modifying Form Submission Script

If your form is submitting on Enter due to a specific script, locate that script and modify it to only submit when Enter is pressed without Shift. For example, change this code:

To this:

Solution 2: Handling Key Events (for All Browsers)

If you lack access to the form submission script, you can use JavaScript to handle key events and insert a newline when Shift Enter is pressed.

This code inserts a newline into the textarea on keypress if Shift Enter is pressed. It handles edge cases by using both keydown and keypress events.

Note: This solution requires an external library or custom code to paste the newline character into the textarea at the correct caret position.

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