javascript - preloading issue on ipad -


i want preload 152 jpg images 7 animations.i trying run individual animation images required animation(ex first 40 images) has preloaded.in browser it's working fine in android also.but in ipad, animation(background-image changing) not running smoothly untill 152 images won't preload.

function preload(arguments,index) {     console.log(index)     for(var i=1;i<=eval(imagesperscreen[index][1]-imagesperscreen[index][0]+1);i++){          scheen[index][i-1] = new image();         scheen[index][i-1].src = arguments[index][eval(i-1)];           $(scheen[index][i-1]).load(function(){             imgloaded++;             var percent=parseint((imgloaded/(imagesperscreen[index][1]-imagesperscreen[index][0]+1)*100).tofixed())+8;              if(!isipad){                 //document.getelementbyid("loadingstatus").innerhtml="loading.. "+percent+"%";                 $("#loadingstatus").css('width',percent+'px');               }             else{                 //$("#loadingstatus").css('display','none');                 $("#loadingstatus").css('width',percent+'px');                 }          });       }       scheen[index][eval(imagesperscreen[index][1]-imagesperscreen[index][0])].onload= function() {              ++screenloaded;              imgloaded=0;                  $("#rightbutton").css('display','block');                    $("#rightarea").css('display','block');                 $("#loadingstatus").css('display','none');                   $("#status").fadeout("fast");                 $("#preloader").fadeout("fast");                   if(waiting){movenext();}              if(screenloaded<7){                  preload(pics,index+1)                        }       };  }


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