Test Case Boilerplate
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by mofle
HTML
<div id="visible"></div>
<div id="hidden"></div>
CSS
#hidden {
display: none;
}
JavaScript
var $visible = $('#visible'),
$hidden = $('#hidden'),
offset = {
left: 10,
top: 10
};
setInterval( function() {
$visible.offset( offset );
$hidden.offset( offset );
console.log('Visible', $visible.css('top'), $visible.css('left') );
console.log('Hidden', $hidden.css('top'), $hidden.css('left') );
}, 2000 );