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the first thing i notice that the solutions is aimed at the heavier web applications. not surprising. web applications suffer from constraints that web clients impose on them. this solution gives them a way to check for dynamic content without reloading the current page. 【程序编程相关:Ajax using XMLHttpRe】
the asynchronous javascript + xml (ajax) solution is one that can bring happiness and bliss to web designers and web developers alike. however, as with many whiz-bang solutions caution is advised. google uses it to great effect but personally i think they take it a bit too far. if a page change so much that its context changes then it have switched to a new uri. people often bookmark specific content that’s within a specific context. as soon as this is no longer true it maybe a clue that you’ve gone to far. 【推荐阅读:反醒一下,兼java.lang的一点点东】
well it’s very simple. it uses javascript to get data from a remote source and then loads that into a specified target. whatever content you like to wherever you like on the page. jesse james garrett of adaptive path has written an essay that covers the basics and provides more information on ajax. 【扩展信息:用sun公司的NetBeans开发J2M】
so what does it do?
but lets get this sucker running, that’s the fun bit. and it’s pretty easy.
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