FileReader onload does not work in safari

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Javascript

jQuery

safari

I am working on a project where I need to show preview of image before croping.i am using jquery.Jcrop.js v0.9.12 plugin and it works great in all the browsers. but in Safari preview image does not display. I found that in lower version of Safari FileReader is not supported. i have safari 5.1.7. here is the code :

var e = {};
e.pf = window.FileReader && function (e, t, n) {
    var r = new FileReader;
    r.onload = function (n) {
        var r = new Image;
        r.onload = function (n) {
            if (!t.beforePick.call(e, r)) {
                e.setImage(r.src, t.afterPick)
            }
        };
        r.onerror = function (n) {
            t.beforePick.call(e, null)

        };
        r.src = n.target.result
    };
    r.readAsDataURL(n)
};

Do we have any other way to read file in lower version of Safari for window?

Thanks