Lodash.js – isFunction() function

A simple Lodash.js example of the isFunction() function, indicating if the variable is a function.
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8"/>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
    <meta name="description" content="Tizen Angular.js example"/>
    <title>Tizen lodash.js example</title>
    <script src="js/lodash.min.js"></script>
</head>
<body>
<div id="first">
</div>
<br>
<div id="second">
</div>

<script>

    var firstDiv = document.getElementById('first');
    var secondDiv = document.getElementById('second');

    var firstValue = function(arg) {
        return arg*Math.Pi/2;
    }

    var result = _.isFunction(firstValue);

        firstDiv.innerHTML = "Is the: '" + firstValue + "' a function?";
        secondDiv.innerHTML = "answer: " + result;

</script>
</body>

</html>

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