Categories: Attr

javascript Attr expando

@March 15, 2008, 1:22 a.m.

expando	Firefox/Netscape/NN n/a IE 6 Chrome/Safari/DOM n/a
	Read-only
Returns Boolean true if the attribute, once it is inserted into an element, is not one of the native attributes for the element. This property is false for an attribute created by document.createAttribute() until the attribute is added to the element (via the setAttributeNode( ) method), at which time the property's value is reevaluated within the context of the element's native attributes.

Example

var isCustomAttr = document.getElementById("book3928").getAttributeNode("author").expando;

Value
Boolean value: true \| false.

Default
false

javascript Attr Description