angular.isElement()

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.4.1/angular.min.js"></script>
<h1>angular.isElement()</h1>

<div id="foo">foo</foo>

var foo = document.getElementById('foo1');

console.log(angular.isElement(foo));  //  true

console.log(angular.isElement(''));  //  false

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