Javascript Reference - HTML DOM isDefaultNamespace Method

The isDefaultNamespace() method returns true if the specified namespace is default, otherwise false.

Browser Support


`isDefaultNamespace`	Yes	9.0	Yes	Yes	Yes

Syntax

node.isDefaultNamespace(namespaceURI)

Parameters

Parameter	Type	Description
namespaceURI	String	Required. The URI of the namespace to check

Return Value

It returns a Boolean type.

true if the namespace is default, otherwise false.

Example

The following code shows how to check if the defined namespace is the default namespace.


<!DOCTYPE html>
<html>
<body>
<button onclick="myFunction()">test</button>
<script>
function myFunction()<!-- w w  w  . j ava 2s  . co m-->
{
    var d=document.documentElement;
    console.log(d.isDefaultNamespace("http://www.w3.org/1999/xhtml"));
}
</script>
</body>
</html>

The code above is rendered as follows: