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<!DOCTYPE html> <html> <style> a[target] { background-color: yellow; } </style> <body> <h1>The Document Object</h1> <h2>The querySelector() Method</h2> <p>The CSS selector a[target] makes sure that all links with a target attribute gets a yellow background:</p> <p>Add a red border to the first link with a target attribute:</p> <a href="https://w3schools.tw">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> <script> document.querySelector("a[target]").style.border = "10px solid red"; </script> </body> </html>
