为按钮追加事件
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>js基础-为按钮追加事件</title> <style type="text/css"> </style> </head> <body> <span>为按钮追加事件</span> <hr> <button id="btn1">按钮1</button> <button onclick="gobtn1()">为按钮1加事件</button> <hr/> <script type="text/javascript"> function oc1(){ alert('Hello'); }; function oc2(){ alert('Word'); }; function gobtn1(){ var btn1=document.getElementById('btn1'); btn1.addEventListener("click",oc1); btn1.addEventListener('click',oc2); } </script> </body> </html>