avisek

/** Whether we are using a Mac or not. */
function isMac() {
	return /Mac/.test(navigator.platform);
}

/** Whether this is on the Windows platform or not. */
function isWindows() {
	return /Win/.test(navigator.platform);
}

avisek

// Getting a random number between 0 (inclusive) and 1 (exclusive)
function getRandom() {
	return Math.random();
}

// Getting a random number between two values
function getRandomArbitrary(min, max) {
	return Math.random() * (max - min) + min;
}

avisek

function swapDomNodes(a, b) {
	var afterA = a.nextSibling;
	if (afterA == b) {
		swapDomNodes(b, a);
		return;
	}
	var aParent = a.parentNode;
	b.parentNode.replaceChild(a, b);
	aParent.insertBefore(b, afterA);
}

avisek

function round(number, places) {
	places = Math.max(0, Math.min(places || 0, String(number).split(".")[1].length || 0));
	return Math.round(number * Math.pow(10, places)) / Math.pow(10, places);
}