jawache

// What happens when you execute the code below

a = 1;

jawache

// What does the below code print out?

console.log(this);

jawache

// What does the below code print out?

"use strict";

(function (){
  console.log(this);
})();

jawache

// What does the below code print out?
"use strict";

var animal = {
  kind: "Cow",
  which: function () {
    console.log(this.kind);
  }
};
animal.which();

jawache

// What does the below code print out?

"use strict";

var animal = {
  kind: "Cow",
  which: function () {
    console.log(this.kind);
  }
};

jawache

// What does the below code print out?
"use strict";

function sayHello(last_name) {
  console.log("Hello " + this + " " + last_name);
}
sayHello("Hussain");

jawache

// What does the below code print out?

"use strict";
function sayHello(last_name) {
  console.log("Hello " + this + " " + last_name);
}
sayHello.call("Asim", "Hussain");

jawache

// What does the below code print out?
"use strict";
function sayHello(last_name) {
  console.log("Hello " + this + " " + last_name);
}
sayHello.apply("Asim", ["Hussain"]);

jawache

// What does the below code print out?

"use strict";
function sayHello(last_name) {
  console.log("Hello " + this + " " + last_name);
}.bind("Asim");
sayHello("Hussain");

jawache

// What does the below code print out?

"use strict";
var sayHello = function(last_name) {
  console.log("Hello " + this + " " + last_name);
}.bind("Asim");
sayHello("Hussain");