es6test.js

gistfile1.txt

"use strict";
function startTest(cb) {
  setTimeout( () => {
    let a = 1;
    if(true) {
      console.log(a);
      cb();
    }
  }, 100);

}

class testClass {
  constructor() {
    console.log("constructed");
    this._testv = 0;
  }

  get testValue() {
    return 'a-haa, getter? ' + this._testv;
  }

  set testValue(v) {
    this._testv = v + ' <-- sleepin?';
  }

  resetV() {
    this._testv = -1;
    this.inc();
  }

  inc() {
    this._testv++;
  }

  start() {
    let b = 2;

    setTimeout( () => {
      startTest( () => {
        this.inc();
        this.inc();
        this.inc();
        console.log(b);
        console.log(this.d);
        console.log(this.testValue);
        this.testValue = 'zzz';
        console.log(this.testValue);
        this.resetV();
      });
    }, 500);

    this.d = 4;
  }
}

var t = new testClass();
t.start();