顯示這行代碼出錯了？att.setAttribute("class","one");
<button??id?=?"id"?type="button"?name="a">你好，我是寶寶</button>
<script>
????var?att?=?document.getElementsByName("a");
????att.setAttribute("class","one");
</script>
<style>
????.one{
????????color:?red;
????}
慕仔8415870
2021-07-23
1 回答
舉報
0/150
提交
取消
2021-07-26
<button??id?=?"id"?type="button"?name="a" onclick="fun1">你好，我是寶寶</button>
<script>
????function fun1(){
????????var?att?=?document.getElementsByName("a");
????????att.setAttribute("class","one");
????}
</script>
<style>
????.one{
????????color:?red;
????}