JSFiddle - React, Tailwind, and code Playground

by shyam kumar

HTML

<input type="text" value="" class="someTextBox">
<input type="text" value="" class="input-group-field target">

JavaScript

$('.someTextBox').keyup(function() {

if($(this).val().length<20) {
var j = $(this).val();
    $('.target').val(j);
    }
   
});

$('.someTextBox').on('paste',function(){
        if($(this).val().length<20) {
var j = $(this).val();
    $('.target').val(j);
    }
 });