Test Case Boilerplate
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HTML
<body>
</body>
JavaScript
var $thumbThingy = $('<div id="basket-thumbview"></div>').appendTo( $('body') );
$thumbThingy.css('display', 'block' );
setInterval( function() {
$thumbThingy.offset( { left: 10, top: 10 } );
console.log( $thumbThingy.css('left'), $thumbThingy.css('top') );
}, 1000 );