Encontre a altura do espaço acima do elemento usando JavaScript
// Vanila JS \\
var elem = document.getElementById( 'elementId' ); // select the element
var heightAbove = elem.offsetTop; // get the height above the selected element
// Using jQuery \\
var elem = $('div[id]'); // select the element
var heightAbove = elem.offset().top; // get the height above the selected element
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