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jonthomas0

Is there a strategy which allows putting javascript at the bottom of page for performace?

in jQuery Mobile • 10 years ago

If you place your scrips inside the closing </body> tag at the bottom of the page for performance reasons the scripts are included in every page loaded via AJAX. Is there a strategy to allow scripts to be loaded at the bottom of the page without having this occur?

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watusiware

Re: Is there a strategy which allows putting javascript at the bottom of page for performace?

10 years ago

Put the scripts inside the page element.

However, it's unlikely that this will improve performance. If anything, it's likely to slightly degrade performance, because then the browser will have to check with the server for outdated script. If you put the scripts in <head> you avoid this unnecessary round-trip (i.e. it's done only once, not on every page.)

It really is better just to load all your scripts from <head>, unless the scripts are very large and only used on a particular page.

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