--- title: Document.forms slug: Web/API/Document/forms tags: - Document.forms translation_of: Web/API/Document/forms ---

{{APIRef("DOM")}}

forms 返回当前文档中的 {{HTMLElement("form")}}元素的一个集合(一个 {{domxref("HTMLCollection")}})。

语法

let collection = document.forms;

例子: 获取表单信息

<html>

<head>
<title> document.forms example</title>
</head>

<body>
<form id="robby">
 <input type="button" onclick="alert(document.forms[0].id);"
 value="robby's form" />
</form>

<form id="dave">
 <input type="button" onclick="alert(document.forms[1].id);"
 value="dave's form" />
</form>

<form id="paul">
 <input type="button" onclick="alert(document.forms[2].id);"
 value="paul's form" />
</form>

</body>
</html>

 例子: 获取表单内的元素

var selectForm = document.forms[index];
var selectFormElement = document.forms[index].elements[index];

规范

forms DOM Level 2 HTML: forms

相关链接

{{ languages( { "ja": "ja/DOM/document.forms", "pl": "pl/DOM/document.forms" , "en": "en/DOM/document.forms" } ) }}