Document.createAttribute() - Web APIs 编辑

The Document.createAttribute() method creates a new attribute node, and returns it. The object created a node implementing the Attr interface. The DOM does not enforce what sort of attributes can be added to a particular element in this manner.

The string given in parameter is converted to lowercase.

Syntax

attribute = document.createAttribute(name)

Parameters

• name is a string containing the name of the attribute.

Return value

A Attr node.

Exceptions

• INVALID_CHARACTER_ERR if the parameter contains invalid characters for XML attribute.

Example

var node = document.getElementById("div1");
var a = document.createAttribute("my_attrib");
a.value = "newVal";
node.setAttributeNode(a);
console.log(node.getAttribute("my_attrib")); // "newVal"

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• Document.createElement()