/Javascript/AngularJS/Function.bind(this) angular

Function.bind(this) angular

this.x = 9;    // 'this' refers to global 'window' object here in a browser
const module = {
  x: 81,
  getX: function() { return this.x; }
};

module.getX();
//  returns 81

const retrieveX = module.getX;
retrieveX();
//  returns 9; the function gets invoked at the global scope

//  Create a new function with 'this' bound to module
//  New programmers might confuse the
//  global variable 'x' with module's property 'x'
const boundGetX = retrieveX.bind(module);
boundGetX();
//  returns 81

Source: developer.mozilla.org

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