<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD><BODY>
<FORM METHOD=POST ACTION=""name=form1>
<INPUT TYPE="checkbox" id="c1"value=1> <INPUT TYPE="checkbox" id="c1"value=1>
<SCRIPT>
var n=0;
for( var i =0; i < form1.elements.length; i++ ){
if (form1.elements[i].id="c1"){
n++;
}
}
alert(n);
</SCRIPT></FORM>
</BODY>
</HTML>
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD><BODY>
<FORM METHOD=POST ACTION=""name=form1>
<INPUT TYPE="checkbox" id="c1"value=1> <INPUT TYPE="checkbox" id="c1"value=1>
<SCRIPT>
var n=0;
for( var i =0; i < form1.elements.length; i++ ){
if (form1.elements[i].id="c1"){
n++;
}
}
alert(n);
</SCRIPT></FORM>
</BODY>
</HTML>
<SCRIPT LANGUAGE="JavaScript">
var e = document.all.mm;
var s = "";
for(var i in e)
{
s += i +" = "+ e[i] +"\r\n";
}
alert(s);
</SCRIPT>
name为其对应的属性,如id、name、value等
揭帖