Function matrix

src/utils.js:110–128

(el, selfOnly)

}

function matrix(el, selfOnly) {
	let appliedTransforms = '';
	if (typeof(el) === 'string') {
		appliedTransforms = el;
	} else {
		do {
			let transform = css(el, 'transform');

			if (transform && transform !== 'none') {
				appliedTransforms = transform + ' ' + appliedTransforms;
			}
			/* jshint boss:true */
		} while (!selfOnly && (el = el.parentNode));
	}

	const matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
	/*jshint -W056 */
	return matrixFn && (new matrixFn(appliedTransforms));
}


function find(ctx, tagName, iterator) {