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Tryit: JAVASCRIPT
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<!DOCTYPE html> <html> <body> <p id="demo">在单击下面的按钮之前和之后将鼠标悬停在该文本上！</p> <button type="button" onclick="myFunction()">改变光标</button> <script> function myFunction() { document.getElementById("demo").style.cursor = "pointer"; } </script> </body> </html>