collapsed-margin

Calculate the hypothetical vertical margin between two elements, which is automatically "collapsed" by CSS.

Installation:

npm install --save collapsed-margin

Usage:

import collapsedMargin from 'collapsed-margin';
 
var el1 = document.getElementById('el1');
var el2 = document.getElementById('el2');
 
var spaceBetween = collapsedMargin(el1, el2);