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5-Clouser in the real world example.html
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<!DOCTYPE html>
<html>
<head>
<title>Clouser in the real world example</title>
<style type="text/css">
.track:hover {
cursor: pointer;
text - decoration: underline;
}
</style>
</head>
<body>
<ol>
<li class="track">Track - 1</li>
<li class="track">Track - 2</li>
<li class="track">Track - 3</li>
<li class="track">Track - 4</li>
<li class="track">Track - 5</li>
<li class="track">Track - 6</li>
<li class="track">Track - 7</li>
<li class="track">Track - 8</li>
<li class="track">Track - 9</li>
<li class="track">Track - 10</li>
<li class="track">Track - 11</li>
</ol>
<p>Now playing track number <span id="number"></span></p>
<script>
var elNumber = document.getElementById("number");
function setupClickHandlers() {
var elTracks = document.getElementsByClassName("track");
function generateClickHandler(tracknumber) {
return function clickHandler() {
elNumber.innerHTML = tracknumber;
}
}
for (var i = 0; i < elTracks.length; i++) {
elTracks[i].addEventListener("click", generateClickHandler(i + 1));
}
}
setupClickHandlers();
</script>
</body>
</html>