js的选择与反选择的一个实例 |
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<HTML>
<HEAD> <TITLE> TEST THE PROGRAM ...</TITLE> <META HTTP-EQUIV=Content-Type CONTENT="text/html; charset=gb2312"> <META HTTP-EQUIV="expires" CONTENT="0"> <META HTTP-EQUIV="Pragma" CONTENT="no-cache"> <STYLE type="text/css"> BODY,TD,INPUT,TEXTAREA {font-family: "Verdana", "Arial","新宋体", "宋体";font-size:9pt;} </STYLE> <SCRIPT Language="JavaScript"> <!-- var put=document.all.tags("input"); function selall() { for (i=0;i<put.length;i++) { if (put[i].type=="checkbox") put[i].checked=true; } } function selfx() { for (i=0;i<put.length;i++) { if (put[i].type=="checkbox") put[i].checked=(put[i].checked)?false:true; } } // --> </SCRIPT> </HEAD> <BODY SCROLL="AUTO" bgcolor="#FFFFFF"> <INPUT TYPE="BUTTON" VALUE=" 选择所有 " onclick="selall()"> <INPUT TYPE="BUTTON" VALUE=" 反择 " onclick="selfx()"> <input type="checkbox" name="chb1" value="" > <input type="checkbox" name="chb1" value="" > <input type="checkbox" name="chb1" value="" > <input type="checkbox" name="chb1" value="" checked> <input type="checkbox" name="chb1" value="" checked> <input type="checkbox" name="chb1" value="" checked> </BODY> </HTML> |