ivan-nikitovic

const map = array => ({
	when: condition => ({
		then: modification => array.map(
			(item, index, collection) => condition(item, index, collection) ? modification(item, index, collection) : item,
		),
	}),
});

map([1, 2, 3]).when(number => number > 1).then(number => number * 2) // [1, 4, 6]

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

WebReflection

'getOwnPropertyDescriptors' in Object || (
  Object.getOwnPropertyDescriptors = function (Object) {
    var
      gOPD    = Object.getOwnPropertyDescriptor,
      gOPN    = Object.getOwnPropertyNames,
      gOPS    = Object.getOwnPropertySymbols,
      gNS     = gOPS ? function (object) {
                         return gOPN(object).concat(gOPS(object));
                       } :
                       gOPN,

CMCDragonkai

AngularJS Directive Attribute Binding Explanation

When using directives, you often need to pass parameters to the directive. This can be done in several ways. The first 3 can be used whether scope is true or false. This is still a WIP, so validate for yourself.

1. Raw Attribute Strings

   <div my-directive="some string" another-param="another string"></div>