text: /**
   * 2017-9-18 Shi Ruitao
   */
  console.log('-----------apply------------')
  var b = {
      name: 'abc',
  };
  var a = function(){
      this.age = 2;
      return this.age;
  };
  console.log(a.apply(b), b);
  
  console.log('-----------bind------------')
  var c = {
      name: 'abc',
  };
  var d = arrayToDestruct = function(x, y){
      this.age = 3;
      return this.age+ x + y;
  };
  console.log(a.bind(b, 1, 2)(), b)
  
  console.log('-----------call------------')
  console.log(a.call(b, 2, 2), b)
  