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elinks/test/ecmascript/el_querySelector.html

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<!DOCTYPE html>
<html>
<head>
<style>
#myDIV {
border: 1px solid black;
}
</style>
</head>
<body>
<div id="myDIV">
<h2 class="example">A heading with class="example" in div</h2>
<p class="example">A paragraph with class="example" in div.</p>
</div>
<p>Click the button to change the text of the first element with class="example" in div.</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
var x = document.getElementById("myDIV");
x.querySelector(".example").innerHTML = "Hello World!";
}
</script>
</body>
</html>