可以
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=unicode">
<META content="MSHTML 6.00.2800.1170" name=GENERATOR></HEAD>
<BODY><INPUT id=text1 name=text1></BODY></HTML>
<SCRIPT LANGUAGE=javascript>
<!--
function text1.onclick()
{
alert("ssssss");
}
//-->
</SCRIPT>css用behavior
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=unicode">
<META content="MSHTML 6.00.2800.1170" name=GENERATOR></HEAD>
<BODY><INPUT id=text1 name=text1></BODY></HTML>
<SCRIPT LANGUAGE=javascript>
<!--
function text1.onclick()
{
alert("ssssss");
}
//-->
</SCRIPT>css用behavior
.input1{behavior:url(input.htc)}
</style>
<input class=input1 type=button>input.htc
---------
<PUBLIC:COMPONENT>
<PUBLIC:ATTACH EVENT="onclick" ONEVENT="k()"/>
<SCRIPT>
function k(){
alert('this is htc')
}
</script>
</PUBLIC:COMPONENT>具体的自己去查资料了
//here is your code
alert("test")
</script>