JavaScript的event对象中
event.target指代的是:触发事件的元素
event.currentTarget指代的是:事件绑定的元素
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body> <div id="test"> <span>aaa</span> <span>bbb</span> <span>ccc</span> </div> <script> document.getElementById('test').addEventListener('click', function(ev){ var ev = ev || window.event; console.log(ev.target); console.log(ev.currentTarget); }, false); </script> </body> </html>