simpler-dash/hp_assets/js/main.js

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JavaScript
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// Set random background image
function setBgImg() {
var bg = "";
$.getJSON("hp_assets/lib/ajax_get_image.php").done(function(data) {
if (data['success']) {
bg = data['url'];
if (bg != "" && bg != null) {
preloadimages([bg]).done(function(images) {
$("#homepage").css("background-image", "url(" + bg + ")").css("background-size", "cover");
$("#pic-info-wrap").removeClass("hidden");
$("#pic-info-url").attr("href", data['image_user_url']).text(data['image_user_name']);
});
}
}
});
}
// http://www.javascriptkit.com/javatutors/preloadimagesplus.shtml
function preloadimages(arr){
var newimages=[], loadedimages=0
var postaction=function(){}
var arr=(typeof arr!="object")? [arr] : arr
function imageloadpost(){
loadedimages++
if (loadedimages==arr.length){
postaction(newimages) //call postaction and pass in newimages array as parameter
}
}
for (var i=0; i<arr.length; i++){
newimages[i]=new Image()
newimages[i].src=arr[i]
newimages[i].onload=function(){
imageloadpost()
}
newimages[i].onerror=function(){
imageloadpost()
}
}
return { //return blank object with done() method
done:function(f){
postaction=f || postaction //remember user defined callback functions to be called when images load
}
}
}
$(function() {
$("#mobile-menu-wrap a").click(function(e) {
e.preventDefault();
});
setBgImg();
});