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Ajax The XMLHttpRequest object |
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The XMLHttpRequest object Allows to interact with the servers, thanks to its methods and 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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