42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
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// (function($) {
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// var cache = [];
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// // Arguments are image paths relative to the current page.
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// $.preLoadImages = function() {
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// var args_len = arguments.length;
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// for (var i = args_len; i--;) {
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// var cacheImage = document.createElement('img');
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// cacheImage.src = arguments[i];
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// cache.push(cacheImage);
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// }
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// }
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// })(jQuery)
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(function($) {
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$.preloadimages = function (arr){
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var newimages=[], loadedimages=0
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var postaction=function(){}
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var arr=(typeof arr!="object")? [arr] : arr
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function imageloadpost(){
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loadedimages++
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if (loadedimages==arr.length){
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postaction(newimages) //call postaction and pass in newimages array as parameter
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}
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}
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for (var i=0; i<arr.length; i++){
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newimages[i]=new Image()
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newimages[i].src=arr[i]
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newimages[i].onload=function(){
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imageloadpost()
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}
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newimages[i].onerror=function(){
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imageloadpost()
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}
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}
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return { //return blank object with done() method
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done:function(f){
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postaction=f || postaction //remember user defined callback functions to be called when images load
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}
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}
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}
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})(jQuery)
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