JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.11.1/jquery.validate.min.js"></script>
<div id="td_1"></div>
<div id="td_2"></div>
<div id="somethingelse"></div>

JavaScript

var nodeList = document.querySelectorAll('[id^=td_]');
    var arr = []; // Will hold the array of Node's
    for (var i = 0, ll = nodeList.length; i < ll; arr.push(nodeList[i++]));
console.log(arr);