Zero Ok: D33: C3

Your score is:

/ 5

1.) Which keywords declare variables?

Select all that apply

by Ron Starke

let

const

static

var

2.) What is the output of this code?

var name1 = "John";
var name2 = "Sebastian";
console.log(name1.length + "" + name2.length);

by AacTaH KoNWbl6aeB

13

14

49

3.) What is the output of this code?

const arr = [1, 2, 3];
arr[0] = 5;
console.log(arr[0]);

by brains

0
5
6

4.) What is the output of this code?

var str = "HELLO WORLD";
ps = st.charAt(1);
var sl = "SoloLearn";
pl = sl.charAr(5);
if (ps == pl) {
document.write(ps);
} else {
document.write(pl);
}

by Daniel

a

e

L

W

5.) What is the output of this code?

var i = Infinity;
console.log(typeof i);

by Duc Van Khanh Tran

NaN

string

number

Submit

zeroOK/D33/C3.js