JSFiddle - React, Tailwind, and code Playground

by sii_side

HTML

<input type="text" id="id" value="abc">
<input type="button" value="ボタン" onclick="hoge();">

JavaScript

function hoge() {
  var foo = document.getElementById("id").value;
  var bar = document.getElementById("id").getAttribute("value");
  console.log(foo);
  console.log(bar);
}