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benbabics/Image Preloader

Created May 28, 2014 13:50
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Image Preloader
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Image Preloader
preloadImage = (image_data) ->
deferred = $.Deferred()
# preload the image, so it's ready to display
cache_bust = ( new Date() ).getTime()
img = new Image()
img.src = "#{image_data.src}?size=large&cachebust=#{cache_bust}"
# image has loaded, resolve deferred
$( img ).on 'load', ->
deferred.resolve()
deferred.promise()
# load image
image_loader = preloadImage 'http://placehold.it/40x40'
image_loader.done -> console.log 'image has loaded successfully!'
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