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<!DOCTYPE html> <html> <head> <style> #myDIV { border: 1px solid black; background-color: lightblue; } </style> </head> <body> <h1>使用 JavaScript 更改 padding-left</h1> <p>点击“试一试”按钮更改 DIV 元素的 padding-left 属性：</p> <button onclick="myFunction()">试一试</button> <div id="myDIV"> Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat... </div> <script> function myFunction() { document.getElementById("myDIV").style.paddingLeft = "50px"; } </script> </body> </html>