text: // ES6: `this` is a lexical scoping
  
  'use strict';
  
  function func1() {
      let self = this;
  
      setTimeout( function growUp() {
          console.log( self === this );
      }, 1000 );
  }
  
  func1();
  
  function func2() {
      let self = this;
  
      setTimeout( () => {
          console.log( self === this );
      }, 1000 );
  }
  
  func2();
  
  