From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:40:17 -0500 Subject: initial commit --- .../web/api/element/setattributenode/index.html | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 files/zh-cn/web/api/element/setattributenode/index.html (limited to 'files/zh-cn/web/api/element/setattributenode') diff --git a/files/zh-cn/web/api/element/setattributenode/index.html b/files/zh-cn/web/api/element/setattributenode/index.html new file mode 100644 index 0000000000..1d9c641c8e --- /dev/null +++ b/files/zh-cn/web/api/element/setattributenode/index.html @@ -0,0 +1,46 @@ +--- +title: Element.setAttributeNode() +slug: Web/API/Element/setAttributeNode +tags: + - API + - DOM + - Element +translation_of: Web/API/Element/setAttributeNode +--- +

{{ APIRef("DOM") }}

+ +

setAttributeNode() 为指定的 Element 添加属性节点.

+ +

Syntax

+ +
var replacedAttr = element.setAttributeNode(attribute);
+
+ + + +

Example

+ +
// <div id="one" align="left">one</div>
+// <div id="two">two</div>
+var d1 = document.getElementById("one");
+var d2 = document.getElementById("two");
+var a = d1.getAttributeNode("align");
+d2.setAttributeNode(a.cloneNode(true));
+alert(d2.attributes[1].value)
+// returns: `left'
+
+ +

Notes

+ +

如果 element 中已经存在该属性名的属性,则函数使用新的属性替换掉原有的属性并将原有属性返回

+ +

这个方法很少被用到, 多数情况下使用函数 setAttribute() 修改 element 的属性.

+ +

{{ DOMAttributeMethods() }}

+ +

Specification

+ +

DOM Level 2 Core: setAttributeNode (introduced in DOM Level 1 Core)

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