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<!DOCTYPE html> <html> <head> <style> div { background-color: coral; border: 1px solid; padding: 50px; } </style> </head> <body> <p>这个例子演示了添加事件监听器时冒泡和捕获的区别。</p> <div id="myDiv"> <p id="myP">点击这段，我在冒泡</p> </div><br> <div id="myDiv2"> <p id="myP2">点击此段，我正在捕捉。</p> </div> <script> document.getElementById("myP").addEventListener("click", function() { alert("你点击了 P 元素！'。"); }, false); document.getElementById("myDiv").addEventListener("click", function() { alert("你点击了 DIV 元素！'。"); }, false); document.getElementById("myP2").addEventListener("click", function() { alert("你点击了 P 元素！'。"); }, true); document.getElementById("myDiv2").addEventListener("click", function() { alert("你点击了 DIV 元素！'。"); }, true); </script> </body> </html>