Function isRectEqual

src/utils.js:471–476

(rect1, rect2)

function isRectEqual(rect1, rect2) {
	return Math.round(rect1.top) === Math.round(rect2.top) &&
		Math.round(rect1.left) === Math.round(rect2.left) &&
		Math.round(rect1.height) === Math.round(rect2.height) &&
		Math.round(rect1.width) === Math.round(rect2.width);
}


let _throttleTimeout;