dfcreative/mucss

/**
 * Calculate scrollbar width.
 *
 * @module mucss/scrollbar
 */

// Create the measurement node
var scrollDiv = document.createElement("div");

var style = scrollDiv.style;

style.width = '100px';
style.height = '100px';
style.overflow = 'scroll';
style.position = 'absolute';
style.top = '-9999px';

document.documentElement.appendChild(scrollDiv);

// the scrollbar width
module.exports = scrollDiv.offsetWidth - scrollDiv.clientWidth;

// Delete fake DIV
document.documentElement.removeChild(scrollDiv);