Object

Defined at Object.prototype

• .$
  object.$ will stock can be a EventTarget
  Caution: You don't set any value in it.
  .$ is mutable!

• ._(want)
  It's shorthand of Object.assign(this, want) and return this object it assigned you want.
  Caution: you can only sets single argument.
  If you want to set multi Object, (a)._(b)._(c)._ ...
  If you set it that instance of EventTarget, this.$ have it.

• .__(PropertyDescriptors)
  It's shorthand of Object.defineProperties(this, PropertyDescriptors) and return this object it defined properties.

• .de
  It's shorthand of get this object's property descriptors Object.

• .keys
  It's shorthand of get this object's keys Array.

• .length
  It's shorthand of get this object's keys Array.length.

• ({$: EventTarget}).on(eventType)
  ({$: EventTarget}).off(eventType)
  If this.$ is EventTarget, this object has Method of handleEvent.
  and can simulate listen event and methods inner this scope is constructions this
  so you got a lexical scope this pointer.
  you can set eventType String or Designed Array of eventType Strings
  It like to work
  this.$.addEventListener(eventType, this[eventType].bind(this));
  this.$.removeEventListener(eventType, this[eventType].bind(this));

• .each((v, k) => do something)
  It's shorthand like for in loop about functional method

• .deep((v, k) => do something)
  This object or array repeats to the tip of branched chain and do callback

• .deal
  It's shorthand of gets new object set prototype of this object.

• .copy
  It's shorthand of get this object's copy;
  Caution: If this object's property refer other objects, it keep up refering.

• .clone
  It's shorthand of get this object's deepest copy;
  Caution: If this object's property refer other objects, it refer is changed copied objects.

• .map((v, k) => set return do something result)
  It's shorthand like mapping functional method

• .mix((v, k) => set return do something result)
  This object or array repeats to the tip of branched chain and it sets call back functions result.

• .json
  It's shorthand gets JSON Strings.

• .oppo
  If true, this.handleEvent do a event.preventDefault()

• .stop
  If true, this.handleEvent do a event.stopPropagation

• .toArray
  It's shorthand if this object looks like Array, Promote to Array it copyed

• .handleEvent
  Caution! It isn't writable It's a few of core method of de.js
  this.constructor.prototype has eventType property,
  If It's function, call and do it.
  If It's object, so object has a "type" property or event.data has a "type",
  then reflecting inner methods call.