<html>
<head>
<style>
a[target] {
background-color: yellow;
}
#myDIV {
border: 1px solid black;
}
</style>
</head>
<body>
<p>The CSS selector a[target] makes sure that all links with a target attribute gets a yellow background:</p>
<div id="myDIV">
Three links inside div:
<a href="../index.html">w3schools.com</a>
<a href="http://www.disney.com/" target="_blank">disney.com</a>
<a href="http://www.wikipedia.org/" target="_top">wikipedia.org</a>
</div>
<p>Click the button to add a red border to the first link that has a target attribute inside the div element.</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
var x = document.getElementById("myDIV");
x.querySelector("a[target]").style.border = "10px solid red";
}
</script>
</body>
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</html>