instant jquery upload image show

$(document).on('change','.immidiate-show',function(){
			 files = this.files;
			 $.each( files, function(){
				 file = $(this)[0];
				 if (!!file.type.match(/image.*/)) {
		        	 var reader = new FileReader();
		             reader.readAsDataURL(file);
		             reader.onloadend = function(e) {
		            	img_src = e.target.result;
		            	html = "<img class='img-thumbnail' style='width:300px;margin:20px;' src='"+img_src+"'>";
		            	$('.immidiate-show-box').append( html );
		             };
	        	 }
			});
		});