savelee

var store = Ext.getStore('Artists');
var max = store.getCount();
var i = 0, data = [], artists = [];

//I need two arrays, one with artist names, and one with playcounts. In my first try, I hardcoded it. Afterwards, I switched to a real store.

for(i; i<max; i++){
artists.push(store.getAt(i).get('name'));
      data.push(store.getAt(i).get('playcount'));
}

savelee

Ext.define('Dashboard.view.contacts.Chart', {
    extend: 'Ext.d3.svg.hierarchy.tree.HorizontalTree',
    xtype: 'departments-chart',
    requires: [
        'Ext.d3.interaction.PanZoom'
    ],
    nodeSize: [20, 70],
    bind: {
        store: '{department}',
        selection: '{selection}'

savelee

Ext.define('Engine.model.LastFmResult', {
    extend: 'Ext.data.Model',

    requires: [
        'Ext.data.identifier.Sequential',
        'SenchaCandyShared.proxy.lastfm.LastFm'
    ],

    identifier: {
        type: 'sequential',

savelee

//ES2015
function VideoGame(){
  this.title = "Uncharted";
  this.version = 3;

  setInterval(() => {
    console.log(this.title + " " + this.version++); // |this| properly refers to the VideoGame object
  }, 5000);
}

savelee

//ES2015
var foo = (x,y) => arguments[0];
foo("lee","2") //ReferenceError: arguments is not defined [Learn More]

savelee

//ES2015
var x = (x,x) => x;
//SyntaxError: duplicate argument names not allowed in this context

savelee

//ES6 arrow functions
var calculate = (x,y) => {
  return x + y;
}

var sayHello = (name) => {
  return "Hello " + name;
}

//or:

savelee

//ES2015
let product = "Sencha";
let myText = `${product} provides the industry's most comprehensive collection of high-performance, customizable UI widgets.
 These "widgets" include HTML5 grids, trees, lists, forms, menus, toolbars, panels, windows, and much more.
 If you don't find a widget you are looking for, hundreds of user extensions are available from the Sencha community.`;

savelee

//ES2015
function myTag(arrLiterals){ 
  return arrLiterals[0].toUpperCase(); 
}

let message = myTag`hello world!`; //HELLO WORLD!

savelee

//ES2015
function makeRequest(url, timeout = 2000, callback = function(){}) { 
  //do something
}