/**
BIND
 a function with the this value set explicitly
 We can borrow the function
**/

var Button = function(content) {
  this.content = content;
};
Button.prototype.click = function() {
  console.log(this.content + ' clicked');
}

var myButton = new Button('OK');
myButton.click();

var looseClick = myButton.click;
looseClick();

var boundClick = myButton.click.bind(myButton);
boundClick();

// Example showing binding some parameters
var sum = function(a, b) {
  return a + b + this.c;
};

//We can pass this object
var add5 = sum.bind({c:10});
console.log(add5(5,6));

var sum = function() {
  return a + b + this.c;
};
//We can pass arguments
//bind(this, argument1, argument2....)
var add5 = sum.bind({c:10}, 5, 6);
console.log(add5());