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[·­Òë]High Performance JavaScript(022)

µÚÆßÕ  Ajax  Òì²½JavaScriptºÍXML
    Ajax is a cornerstone of high-performance JavaScript. It can be used to make a page load faster by delaying the download of large resources. It can prevent page loads altogether by allowing for data to be transferred between the client ......

[·­Òë]High Performance JavaScript(023)

Data Formats  Êý¾Ý¸ñʽ
    When considering data transmission techniques, you must take into account several factors: feature set, compatibility, performance, and direction (to or from the server). When considering data formats, the only scale you need for comparison is speed.
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[·­Òë]High Performance JavaScript(027)

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Building and Deploying High-Performance JavaScript Applications
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    According to a 2007 study by Yahoo!'s Exceptional Performance team, 40%–60% of Yahoo!'s users have an empty cache experience, and about 20% of all page views are done ......

[·­Òë]High Performance JavaScript(029)

Working Around Caching Issues  ¹ØÓÚ»º´æÎÊÌâ
    Adequate cache control can really enhance the user experience, but it has a downside: when revving up your application, you want to make sure your users get the latest version of the static content. This is accomplished by renaming ......

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function isNumeric(strNumber) {
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alert(newPar.test(strNumber)); }
 //¼ ......
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