angular.isNumber()

HTML

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

console.log(angular.isNumber(3));  //  true
console.log(angular.isNumber(1.2));  //  true
console.log(angular.isNumber('1'));  //  false

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