[1] XPathEvaluator.idl - Code Search ( 版) https://code.google.com/p/chromium/codesearch#chromium/src/third_party/WebKit/Source/core/xml/XPathEvaluator.idl

// Note: The spec says "the XPathEvaluator interface will be implemented on the

// same object which implements the Document interface" and does not define a

// constructor or other means to create an XPathEvaluator object. Nonetheless,

// Blink, Gecko, Presto, WebKit and all have these APIs on both Document and the

// constructable XPathEvaluator interface.

[2] Align with IDL constructor changes (autokagami著, ) https://github.com/whatwg/dom/commit/57512fac17cf2f1c4c85be4aec178c8086ee5ee4

[3] Update to constructor operations · Issue #780 · whatwg/dom () https://github.com/whatwg/dom/issues/780

[4] Add the DOM XPath interfaces from the WHATWG wiki (annevk著, ) https://github.com/whatwg/dom/commit/dea5d92156f144faf57d1a5e54a17227139ca3c5