jQuery File Input Image Preview Before It Is Uploaded

Image preview before submit

<form id="form1" runat="server">
    <input type='file' id="inputFile" />
    <img id="image_upload_preview" src="http://placehold.it/100x100" alt="your image" />
</form>

function readURL(input) {
    if (input.files && input.files[0]) {
        var reader = new FileReader();
        reader.onload = function (e) {
            $('#image_upload_preview').attr('src', e.target.result);
        }
        reader.readAsDataURL(input.files[0]);
    }
}

$("#inputFile").change(function () {
    readURL(this);
});

DEMO