Allows to interact with the servers, thanks to its methods and attributes.
Attributes
Attributes
| readyState | the code successively changes value from 0 to 4 that means for "ready". |
| status | 200 is OK 404 if the page is not found. |
| responseText | holds loaded data as a string of characters. |
| responseXml | holds an XML loaded file, DOM's method allows to extract data. |
| onreadystatechange | property that takes a function as value that is invoked when the readystatechange event is dispatched. |
Methods
| open(mode, url, boolean) | mode: type of request, GET or POST url: the location of the file, with a path. boolean: true (asynchronous) / false (synchronous). optionally, a login and a password may be added to arguments. |
| send("string") | null for a GET command. |
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