Disable drop paste in HTML input fields? [duplicate]

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You can disable paste in your input as follows:

html:

<input type="text" value="" id="myInput">

javascript:

window.onload = () => {
 const myInput = document.getElementById('myInput');
 myInput.onpaste = e => e.preventDefault();
}

Talking about security, I wouldn’t say that this makes any impact. You would usually use client side and well as server-side validation of data submitted by the user.

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