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                                <p>Is there a way of finding the absolute position of an element, i.e. relative to the start of the window, using jQuery?</p>

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JavaScript

$(function () {
    var $w = $(window),
        wb = $w.height(),
        wr = $w.width(),
        arr = [];
    
    $('*').each(function () {
        
        var $this = $(this),
            ofs = $this.offset(),
            eb = ofs.top + $this.height(),
            er = ofs.left + $this.width();
        
        if (eb > wb || er > wr) {
            arr.push(this);
        }
        
    });
    
    var msg = "Array contains: " + arr.length + "\n";
    for (var it = 0; it < arr.length; it++) {
        msg += arr[it].tagName + " - ";
        msg += "Largura: " + $(arr[it]).css('width') + "; ";
        msg += "Altura: " + $(arr[it]).css('height') + "; ";
        msg += "\n";
    }
    
    alert(msg);
});