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<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> .container { background-color: red; padding: 15px; } </style> </head> <body> <h1>使用 JavaScript 更改混合模式</h1> <p>mixBlendMode 属性指定元素的内容应如何与其背景混合：</p> <p>单击“试一试”按钮以将图像与红色容器混合。</p> <button onclick="myFunction()">试一试</button> <div class="container"> <img src="pineapple.jpg" alt="菠萝" id="myImg" width="300" height="300"> </div> <script> function myFunction() { document.getElementById("myImg").style.mixBlendMode = "darken"; } </script> </body> </html>