Get Window Width and Height on resize

size.js

/**
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 * Donate Eth:   0xBBB96204E45D11C9799c6B12E6eE6F0d4A071Ef5
 */
$(window).resize(function () {
    windowWidth = $(window).outerWidth();
    windowHeight = $(window).height();
    booking_height = $('#element').outerHeight();
    scrollpos = $('.grid').height() + 85;

    if (booking_height > windowHeight - 60) {
        $('#element').addClass('unfixed');
    } else {
        $('#element').removeClass('unfixed');
    }

});