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Tryit: JAVASCRIPT
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<!DOCTYPE html> <html> <body> <p>单击该按钮可获取下方 p 元素的“user-select”属性的值。</p> <button onclick="myFunction()">试一试</button> <p id="demo" style="user-select:none">无法选择此文本。</p> <script> function myFunction() { alert(document.getElementById("demo").style.userSelect); } </script> </body> </html>