JSFiddle - React, Tailwind, and code Playground

by huuzoo

HTML

<input type="text" id="form" onchange="checkValue()">
<div>入力内容：<span id="opt_value"></span></div>

JavaScript

function checkValue() {
	var ipt_form = document.getElementById('form');
  var ipt_value = ipt_form.value;
  document.getElementById('opt_value').innerHTML = ipt_value;
}