<script language="javascript">
function test(){
if(escape(document.all.type.value).indexOf("%u")!=-1) alert("含有漢字");
else alert("全是字符");
}
</script>
<input type="text" name="type"><input type="button" name="test" onclick="test();">
<script language="javascript">
function test(){
if(escape(document.all.type.value).indexOf("%u")!=-1) alert("含有漢字");
else alert("全是字符");
}
</script>
<input type="text" name="type"><input type="button" name="test" onclick="test();">