Dojo.js---(2)[Array]

• filter

dojo.filter([1, 2, 4, 5], function (item) {
  return item > 2;
});//[4,5]

• every

dojo.filter([1, 2, 4, 5], function (item) {
  return item > 2;
});//false

• some

dojo.filter([1, 2, 4, 5], function (item) {
  return item > 2;
});//true

• forEach

var obj = {
  prefix: "logged via obj.callback:",
  callback: function (item) {
    console.log(this.prefix, item);
};

// specifying the scope function executes the callback in that scope
let val = dojo.forEach(
  ["thinger", "blah", "howdy", 10],
  obj.callback,
  obj
);
//logged via obj.callback:thinger
//logged via obj.callback:blah
//logged via obj.callback:howdy
//logged via obj.callback:10

• indexOf
• lastIndexOf
• map

// returns [2, 3, 4, 5]
dojo.map([1, 2, 3, 4], function(item){ return item+1 });