// var url = window.URL || window.webkitURL; // alternate use

​

function readImage(file) {

    var reader = new FileReader();

    var image  = new Image();

    reader.readAsDataURL(file);  

    reader.onload = function(_file) {

        image.src    = _file.target.result;              // url.createObjectURL(file);

        image.onload = function() {

            var w = this.width,

                h = this.height,

                t = file.type,                           // ext only: // file.type.split('/')[1],

                n = file.name,

                s = ~~(file.size/1024) +'KB';

            $('#uploadPreview').append('<img src="'+ this.src +'"> '+w+'x'+h+' '+s+' '+t+' '+n+'<br>');

        };

        image.onerror= function() {

            alert('Invalid file type: '+ file.type);

        };      

    };

}

$("#choose").change(function (e) {

    if(this.disabled) return alert('File upload not supported!');

    var F = this.files;

    if(F && F[0]) for(var i=0; i<F.length; i++) readImage( F[i] );

});