w3schools: XPath Syntaxgood reference for XPath#xml#xpath#reference#programming·w3schools.com·Jan 7, 2006w3schools: XPath Syntax
gotapionline APIs for a range of languages and formats#api#java#javascript#css#xhtml#xml#xpath#reference·gotapi.com·Apr 13, 2006gotapi
The XMLHttpRequest Objectdraft standard for XMLHttpRequest object#ajax#javascript#reference#standards#web#programming#xml·w3.org·Jun 29, 2009The XMLHttpRequest Object