jquery masonry - Disable isotope filter preloading? -

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i using http://isotope.metafizzy.co/ - filter portfolio on website. because getting bit heavy on loading (plenty of images) want disable pre-loading of filters (categories) , make them load when each category clicked. ideas on how that?

example: right images categories preloaded, when navigate 1 category other there no wait, want change per description above.


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