Dammmien

function rgbToLab( R, G, B ) {
    R = ( R / 255 );
    G = ( G / 255 );
    B = ( B / 255 );

    if ( R > 0.04045 ) R = Math.pow( ( R + 0.055 ) / 1.055, 2.4 );
    else R = R / 12.92;
    if ( G > 0.04045 ) G = Math.pow( ( G + 0.055 ) / 1.055, 2.4 );
    else G = G / 12.92;
    if ( B > 0.04045 ) B = Math.pow( ( B + 0.055 ) / 1.055, 2.4 );

Dammmien

class MealBuilder {

  init() {
    this.meal = new Meal();
  }

  addMain(type) {
    this.meal.main = new MainItem(type);
  }

Dammmien

var nodes = [
    {
        links: [ 1, 3 ], // node 0 is linked to node 1 and 3
        weightLinks: [ 5, 15 ], // the distance between node 0 and 1 is 5, between 0 and 3 is 15
        distance: Infinity
    }, {
        links: [ 0, 2 ], // node 1 is linked to node 0 and 2
        weightLinks: [ 5, 5, ], // the distance between node 1 and 0 is 5, between 1 and 2 is 5
        distance: Infinity
    },

Dammmien

class Singleton {

  constructor() {
    if (typeof Singleton.instance === 'object') {
      return Singleton.instance;
    }

    Singleton.instance = this;

    return this;

Dammmien

class Car {
  constructor(size, price, maxSpeed) {
    this.size = size;
    this.price = price;
    this.maxSpeed = maxSpeed;
  }
}

class CarFactory {

Dammmien

const getDistance = (A, B) => Math.sqrt( Math.pow( B.x - A.x, 2 ) + Math.pow( B.y - A.y, 2 ) );

Dammmien

for FILE in $(find . -name "*.svg"); do
  grep -qR $(basename "$FILE") * || echo "you can remove $FILE"
done

Dammmien

class TimeTracker {

    constructor() {
        this.timers = {};
    }

    logLoadTimes() {
        var loadTimes = chrome.loadTimes();
        console.log( `commitLoadTime .............. ${( loadTimes.commitLoadTime - loadTimes.startLoadTime ).toFixed( 2 )}s` );
        console.log( `finishDocumentLoadTime ...... ${( loadTimes.finishDocumentLoadTime - loadTimes.startLoadTime ).toFixed( 2 )}s` );

Dammmien

let partition = ( a, n ) => a.length ? [ a.splice( 0, n ), ...partition( a, n ) ] : [];

partition( [ 1, 2, 3, 4, 5, 6, 7, 8 ], 2 );

// [
//     [ 1, 2 ],
//     [ 3, 4 ],
//     [ 5, 6 ],
//     [ 7, 8 ]
// ]

Dammmien

var arr = "The quick brown fox jumps over the lazy dog".split( '' );

arr.reduce( ( countMap, item ) => {
    countMap[ item ] = ( countMap[ item ] || 0 ) + 1;
    return countMap;
}, {} );