<output> 標籤定義不同類型的輸出，比如指令碼的輸出。
<output> 標籤是 HTML 5 中的新標籤。
屬性
| 屬性 | 值 | 描述 |
|---|---|---|
| for | id of another element | 定義輸出域相關的一個或多個元素。 |
| form | formname | 定義輸入欄位所屬的一個或多個表單。 |
| name | unique name | 定義對象的唯一名稱。（表單提交時使用） |
看個例子就明白了：
<!DOCTYPE HTML><br /><html><br /><head><br /><mce:script type="text/javascript"><!--<br />function write_sum()<br />{<br />x=5<br />y=3<br />document.forms["sumform"]["sum"].value=x+y<br />}<br />// --></mce:script><br /></head><br /><body onload="write_sum()"><br /><form action="form_action.asp" method="get" name="sumform"><br /><output name="sum"></output><br /></form><br /></body><br /></html><br />
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