JSFiddle - React, Tailwind, and code Playground

HTML

<textarea id="test" maxlength="10" class="maxtext"></textarea>


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JavaScript

var test = document.getElementById("test");

test.onpaste = function(e){
debugger;
    //do some IE browser checking for e
    var max = test.getAttribute("maxlength");
    e.clipboardData.getData('text/plain').slice(0, max)
};