<html><head><title>手动添加删除事件</title><script language="javascript"> var a; var a; function aEvent() { var oBtn = document.all['oBtn']; oBtn.attachEvent('onclick', sText); } function dEvent() { var oBtn = document.all['oBtn']; oBtn.detachEvent('onclick', sText); }
function sText() { window.alert('看到效果了吗^^'); }</script></head><body><button id="oBtn">点击我查看效果</button><button οnclick="aEvent();">添加事件</button><button οnclick="dEvent();">取消事件</button><br > </body></html>
