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<!DOCTYPE html> <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="https://w3schools.org.cn">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> </html>
