09 Oct 2010

Defer Javascript execution without defer attr

By: Daniele Cruciani

More Articles from Daniele Cruciani

Why do defer javascript execution?

First of all there is a problem of performance, second most time you want to control exactly when a function is executed.

This could be done without defer attribute using data structure specified in json notation:

Then execute at page load all javascript in the order you choose, also calling (using jQuery for example):

var m;

$("."+class).each(function(i,el){

eval('m.push('+$(el).html()+');');

});

// one can use m as parameter of a function

$.each(m,function(m){...});

Also it is possible to order data structure by a field (like weight)

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