On-Demand Javascript

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• 开发语言:
• 操作系统: 未知
• 软件首页: http://plugins.jquery.com/project/ondemandjs

软件介绍

On-Demand Javascript Plugin _{aka "Lazy Loading"}

Download Javascript as and when required, instead of downloading it all on page load. This is a "lazy loading" approach applied to Javascript, and has several benefits...

• Initial page load is faster.
• Overall bandwidth usage is less, since only Javascript that's required is used.
• Deployment is easier as the code takes care of pulling in Javascript, with the coder only ensuring enough is there to kick the process off.
• You can produce snippets of Javascript on the fly - effectively sending back a kind of "behaviour message" advising the browser on its next action. This is a variant of the core pattern described at the end of this section.
• You can bypass the standard "same-domain" policy that normally necessitates a Cross-Domain Proxy. Provided a server exposes a segment of valid Javascript, it can be extracted by the browser.

AjaxPatterns - On-Demand Javascript

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