Element querySelector() Method - Add a red border to the first <a> element that has a target attribute inside a <div> element: - Javascript DOM

Javascript examples for DOM:Element querySelector

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Description

Element querySelector() Method - Add a red border to the first <a> element that has a target attribute inside a <div> element:

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<head>
<style>
a[target] {//from w  w w  . j  a  v  a  2 s .  c o  m
    background-color: yellow;
}
#myDIV {
    border: 1px solid black;
}
</style>
</head>
<body>

<div id="myDIV">
  Three links inside div:
  <a href="http://www.java2s.com">java2s.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>

<button onclick="myFunction()">Test</button>

<script>
function myFunction() {
    var x = document.getElementById("myDIV");
    x.querySelector("a[target]").style.border = "10px solid red";
}
</script>

</body>
</html>

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