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);
}

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

// 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

/** 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

function getOffset(element) {
	var left = element.offsetLeft;
	var top = element.offsetTop;
	while (element = element.offsetParent) {
		left += element.offsetLeft + element.clientLeft - element.scrollLeft;
		top += element.offsetTop + element.clientTop - element.scrollTop;
	}
	return {
		left: left,
		top: top

avisek

/**
 * Return the first ancestor for which the {@code predicate} returns true.
 * @param {Node} node The node to check.
 * @param {function(Node):boolean} predicate The function that tests the
 *     nodes.
 * @return {Node} The found ancestor or null if not found.
 */
function findAncestor(node, predicate) {
	var last = false;
	while (node != null && !(last = predicate(node))) {

avisek

ColorPicker tool

A Pen by Avi on CodePen.

License.

avisek

function getRandomColor() {
	var x = Math.round(0xffffff * Math.random()).toString(16);
	var y = (6 - x.length);
	var z = '000000';
	var z1 = z.substring(0, y);
	return '#' + z1 + x;
}

avisek

Flexbox Holy Albatross + Quantity Query

A Pen by Heydon on CodePen.

License.

avisek

// https://codepen.io/dgca/pen/WoJoNB
export const ResizeObserver = window.ResizeObserver || class ResizeObserver {
  constructor(callback) {
    this.observables = [];
    // Array of observed elements that looks like this:
    // [{
    //   el: domNode,
    //   size: {height: x, width: y}
    // }]
    this.boundCheck = this.check.bind(this);