我有一個腳本,告訴我的按鈕去禁用模式時,字符數超過160,但它不工作。任何想法爲什麼?如何確保禁用按鈕時,字符數超過160
這是我的javascript:
<script>
function CountLeft(field,max){
//disable post
if (field.value.length > max)
$('#workroom_submit').attr("disable","disable");
// enable post
if (field.value.length <= max)
$('#workroom_submit').attr("disable","");
}
</script>
這是我的html:
<textarea cols="50" rows="3" name="postMsg" onKeyDown="CountLeft(this.form.text,160);" onKeyUp="CountLeft(this.form.text,160);"></textarea>
<input type="submit" name="workroom_submit" id="workroom_submit" disable="" value="Post" onclick="updateMsg()"/>
完美地工作..謝謝! – 2011-03-27 08:00:31