Document Object Each HTML document loaded into a browser window becomes a Document object. The Document object provides access to all HTML elements in a page, from within a script. Tip: The Document object is also part of the Window object, and can be accessed through the window.document property. Document Object Collections W3C: W3C Standard. Collection Description [...]
Read More >>
Complete Math Object Reference For a complete reference of all the properties and methods that can be used with the Math object, go to our complete Math object reference. The reference contains a brief description and examples of use for each property and method! Math Object The Math object allows you to perform mathematical tasks. The [...]
Read More >>
Complete Boolean Object Reference For a complete reference of all the properties and methods that can be used with the Boolean object, go to our complete Boolean object reference. The reference contains a brief description and examples of use for each property and method! Create a Boolean Object The Boolean object represents two values: “true” or [...]
Read More >>
Complete Array Object Reference For a complete reference of all the properties and methods that can be used with the Array object, go to our complete Array object reference. The reference contains a brief description and examples of use for each property and method! What is an Array? An array is a special variable, which can [...]
Read More >>
The Date object is used to work with dates and times. Complete Date Object Reference For a complete reference of all the properties and methods that can be used with the Date object, go to our complete Date object reference. The reference contains a brief description and examples of use for each property and method! Create [...]
Read More >>

The String object is used to manipulate a stored piece of text. Try it Yourself – Examples Return the length of a string How to return the length of a string. Style strings How to style strings. The toLowerCase() and toUpperCase() methods How to convert a string to lowercase or uppercase letters. The match() method [...]
Read More >>
JavaScript is an Object Oriented Programming (OOP) language. An OOP language allows you to define your own objects and make your own variable types. Object Oriented Programming JavaScript is an Object Oriented Programming (OOP) language. An OOP language allows you to define your own objects and make your own variable types. However, creating your own [...]
Read More >>
The keystone of AJAX is the XMLHttpRequest object. The XMLHttpRequest Object All modern browsers support the XMLHttpRequest object (IE5 and IE6 uses an ActiveXObject). The XMLHttpRequest object is used to exchange data with a server behind the scenes. This means that it is possible to update parts of a web page, without reloading the whole [...]
Read More >>
The XMLHttpRequest object is used to exchange data with a server. Send a Request To a Server To send a request to a server, we use the open() and send() methods of the XMLHttpRequest object: xmlhttp.open(“GET”,”ajax_info.txt”,true); xmlhttp.send(); Method Description open(method,url,async) Specifies the type of request, the URL, and if the request should be handled asynchronously [...]
Read More >>
Server Response To get the response from a server, use the responseText or responseXML property of the XMLHttpRequest object. Property Description responseText get the response data as a string responseXML get the response data as XML data The responseText Property If the response from the server is not XML, use the responseText property. The responseText [...]
Read More >>