Display mouse coordinates

mcoords.js

(function() {
    'use strict';
    var $toolTip = $('<div/>');
    $toolTip.addClass('customTooltip-rsd')
        .css({
            position: 'absolute',
            display: 'inline-block',
            'font-size': '22px',
            backgroundColor: '#000',
            color: '#ffffff',
            'z-index': 9999999999,
            padding: '10px',
            'word-spacing': '10px',
            'border-radius': '50%',
            width: 100,
            height: 100,
            'line-height': '100px',
            'text-align': 'center',
            'font-weight': 'bold'
        })
    ;
    $(document.body).append($toolTip);
    $(window).on('mousemove', function(e) {
        var posX = e.pageX;
        var posY = e.pageY;
        $toolTip.text(posX + ',' + posY).css({
            top: posY + 'px',
            left: posX + 'px'
        });
    });
}());

Annoyed, and also found http://stackoverflow.com/a/29574348/592760. Two birds.