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JavaScript通过attachEvent和detachEvent方法处理带参数的函数
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>无标题文档</title> <script language="javascript"> var theP; //P标签对象 var show=function(msg){ //直接定义 function show(msg) 效果是一样的 return function(){ alert(msg+" from show()"); if(window.addEventListener){ //FF etc. theP.removeEventListener("click", theP.show11, false); } else{ //IE theP.detachEvent("onclick", theP.show11); } } } var show2=function(msg){ //直接定义 function show2(msg) 效果是一样的 return function(){ alert(msg+" from show2()"); } } function showDef(){ alert("showDef()"); if(window.addEventListener){ //FF etc. theP.removeEventListener("click", showDef, false); } else{ //IE theP.detachEvent("onclick", showDef); } } window.onload=function(){ theP=document.getElementById("pid"); theP.show11=show("可以detach的带参数方法"); if(window.addEventListener) // not IE { //for FF.etc theP.addEventListener("click", theP.show11, false); theP.addEventListener("click", showDef, false); } else { //for IE theP.attachEvent("onclick", theP.show11); theP.attachEvent("onclick", show2(不能detach的带参数方法));//区别于上一个，这里不能detach theP.attachEvent("onclick", showDef); //无参数的方法直接写 } } </script> </head> <body > <div > <p id="pid">Click Me</P><br><INPUT onclick=runEx('runcode') type=button value=运行代码 /><br> </span> </td> </tr> </table> <br> </div> <div id="st-right" class="col-lg-wide-25 col-xs-1 padding-0 hidden-xs" style="height:100%;"><br> <table width="300" border="0" cellspacing="5" cellpadding="2" bgcolor="#FF9933" align="CENTER"> <tr> <td> <div align="CENTER">技术文章快速查找</div> </td> </tr> </table> <table width="300" border="0" cellspacing="1" cellpadding="2" bgcolor="#FF9933" align="CENTER"> <tr> <td bgcolor="#FFFFFF"> <table width="98%" border="0" cellspacing="0" cellpadding="2" class="unnamed1" align="center"> <tr> <td><a 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