JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://getfirebug.com/firebug-lite-debug.js"></script>

Babel + JSX

console.clear()

let array = [{
 'Date': '3/27/2017',
 'Item': '100',
 'Request': '2'
},
{
 'Date': '3/28/2017',
 'Item': '100',
 'Request': '1'
},
{
 'Date': '3/27/2017',
 'Item': '100',
 'Request': '1'
},
{
 'Date': '3/28/2017',
 'Item': '100',
 'Request': '2'
}]

array.sort(compare)

function compare (a, b) {
	return (new Date(b.Date) - new Date(a.Date))
}

console.log(array)