Java_web's Magical Ajax

Source: Internet
Author: User

Why use Ajax?

No refresh: Do not refresh the entire page, only refresh the local Benefits of No refresh provide the interactive effect like C/s, operation more aspect only part of the page is updated to make efficient use of bandwidth What is Ajax? XMLHttpRequest Common method? the JavaScript Object XMLHttpRequest is the core of the entire AJAX technology, which provides the ability to send requests asynchronously XMLHttpRequest Common properties? onreadystatechange: Specifies the state information of the callback function readystate:xmlhttprequest

Java_web's Magical Ajax

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