Javascript ile ios uygulamasının documents klasöründen resim alma

function basicLoad(location){ 
  var possible =['image']; 
  var file ='img/'+ possible[Math.floor(Math.random()* possible.length)]+'.png' 
  return{ 
  file: file, 
  shownFile: location.protocol +'//'+ location.host + location.pathname + file 
  }; 
  }

var file ='/Documents/'+ possible[Math.floor(Math.random()* possible.length)]+'.png' 
  var file ='//Documents/'+ possible[Math.floor(Math.random()* possible.length)]+'.png' 
  var file ='/Documents/'+ possible[Math.floor(Math.random()* possible.length)]+'.png' 
  var file ='app://Documents/'+ possible[Math.floor(Math.random()* possible.length)]+'.png'