Demo underscore.js v.01

<html>
<head>

<script type="text/javascript" src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.1.7/underscore-min.js"></script>

<script type="text/javascript">

// A minimal demo of underscore.js by @rudifa
// Version 0.1
// Wraps example code from http://net.tutsplus.com/tutorials/javascript-ajax/getting-cozy-with-underscore-js/
// in js functions and a html page

function getScores() {
    var scores = [84, 99, 91, 65, 87, 55, 72, 68, 95, 42],
    topScores = [], scoreLimit = 90;
    // plain js
    for (i=0; i<=scores.length; i++) {
        if (scores[i]>scoreLimit) {
            topScores.push(scores[i]);
        }
    }
    return (topScores);
};

function getScores_() {
    var scores = [84, 99, 91, 65, 87, 55, 72, 68, 95, 42],
    scoreLimit = 90;
    // _ js
    return (_.select(scores, function(score){ return score > scoreLimit; }));
};
</script>

<script type="text/javascript">

function display() {
    document.write("Hello Underscore!<br>");
    document.write(getScores() + "<br>");
    document.write(getScores_() + "<br>");
    console.log("Hello Underscore!");
    console.log(getScores());
    console.log(getScores_());
}
</script>

</head>

<body>

<div id="welcome"></div>
<em>Underscore Demo</em>
<p>
<form>
<input type="button" value="Click me!" onclick="display()" />
</form>

</body>
</html>