JS1.js

// Please name the data types available JavaScript.

JS2.js

console.log("---- Block 1 ---------------------------------------------");

try {
    function function1() {
        var x1 = 1;
        console.log(typeof x1);
        console.log(x1);
    }

    function1();
    console.log(typeof x1);
    console.log(x1);
} catch (e) {
    console.error(e);
}

// What is printed to the console at this point?

console.log("---- Block 2 ---------------------------------------------");

try {
    var x2;
    
    function function2() {
        x2 = 2;
        console.log(typeof x2);
        console.log(x2);
    }

    function2();
    console.log(typeof x2);
    console.log(x2);
} catch (e) {
    console.error(e);
}

// What is printed to the console at this point?

console.log("---- Block 3 ---------------------------------------------");

try {
    function function3() {
        if (true) {
            let x3 = 3;
            console.log(typeof x3);
            console.log(x3);
        }

        console.log(typeof x3);
        console.log(x3);
    }

    function3();
    console.log(typeof x3);
    console.log(x3);
} catch (e) {
    console.error(e);
}

// What is printed to the console at this point?

JS3_interview.js

var x = 1;

console.log(x == 1);
console.log(x === 1);

console.log(x == "1");
console.log(x === "1");

// What is logged to the console?

JS4_interview.js

var obj1 = {
    function1: function() {
        console.log(this);
        console.log(typeof this);
        console.log(this === obj1);
    }
}

obj1.function1();
obj1.function1.call({ x1: 1 });

// What is logged to the console?

JS5_interview.js

const arr = [10, 12, 15, 21];

for (var i = 0; i < arr.length - 1; i++) {
  var timeout = setTimeout(function() {
    console.log(`Index: ${i}, element: ${arr[i]}`);
  }, 1000);
}

// What is logged to the console?