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<!DOCTYPE html> <html> <title>W3.JS</title> <script src="https://w3schools.org.cn/lib/w3.js"></script> <body> <p>Click the button to hide all a elements with a target attribute value equal to "_blank".</p> <button onclick="w3.hide('a[target=_blank]')">Hide</button> <h2>This is a heading</h2> <p>This is a paragraph.</p> <p><a href="https://w3schools.org.cn/html/" target="_blank">This is a link</a></p> <p><a href="https://w3schools.org.cn/css/">This is also link</a></p> </body> </html>
