我們的志工尚未將本文翻譯為 正體中文 (繁體) 版本。加入我們,幫忙翻譯!
您也可以閱讀本文的 English (US) 版本。

The Node.isDefaultNamespace() method accepts a namespace URI as an argument and returns a Boolean with a value of true if the namespace is the default namespace on the given node or false if not.

Syntax

result = node.isDefaultNamespace(namespaceURI);

Parameters

namespaceURI is a string representing the namespace against which the element will be checked.

Return value

result is a Boolean that holds the return value true or false.

Example

var XULNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
var el = document.getElementsByTagNameNS(XULNS, 'textbox')[0];

alert(el.isDefaultNamespace(XULNS)); // true

Specifications

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
isDefaultNamespaceChrome Full support YesEdge Full support 12Firefox Full support YesIE ? Opera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android ?

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown

文件標籤與貢獻者

最近更新: mdnwebdocs-bot,