<html>
<body>
<h2>What Can JavaScript Do?</h2>
<p>JavaScript can change HTML attributes.</p>
<p>In this case JavaScript changes the src (source) attribute of an image.</p>
<button onclick="document.getElementById('myImage').src='pic_bulbon.gif'">Turn on the light</button>
<img id="myImage" src="pic_bulboff.gif" style="width:100px">
<button onclick="document.getElementById('myImage').src='pic_bulboff.gif'">Turn off the light</button>
</body>
</html>
<body>
<h2>What Can JavaScript Do?</h2>
<p>JavaScript can change HTML attributes.</p>
<p>In this case JavaScript changes the src (source) attribute of an image.</p>
<button onclick="document.getElementById('myImage').src='pic_bulbon.gif'">Turn on the light</button>
<img id="myImage" src="pic_bulboff.gif" style="width:100px">
<button onclick="document.getElementById('myImage').src='pic_bulboff.gif'">Turn off the light</button>
</body>
</html>
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