加“\”!
<SCRIPT LANGUAGE="JavaScript">
<!--
s="djifji\" djfie\' djfi sdji"
alert(s)
//-->
</SCRIPT>
<SCRIPT LANGUAGE="JavaScript">
<!--
s="djifji\" djfie\' djfi sdji"
alert(s)
//-->
</SCRIPT>
<SCRIPT LANGUAGE="JavaScript">
<!--
s="djifji\" djfie\' djfi sdji"
s2=s+"123"
alert(s2)
//-->
</SCRIPT>我不知道你到底想表达怎样一种情况?
<script>
var s=imafoo.value;
alert(s);
</script>