Zero Ok: D28: C10

Your score is:

/ 5

1.) What is the output of this code?

function ex(x) {
try {
   if (x < 5) throw "err";
} catch (e) {
   console.log("1");
   return 1;
} finally {
   console.log("2");
   return 2;
}
}
ex(1);
ex(10);

by Pawel Michalczewski

1 2

1 2 2

err 1 2 2

err 2

2.) For which values of the variable b will this code output 1?

if (b)
alert(1);
else
alert(0)

by Select all that apply

by Norayr Gasparyan

b = Infinity - 0;

b = Infinity - Infinity;

b = 1 / Infinity;

b = 1 / 0;

3.) What is the output of this code?

var count = 0;
for (let ch of "ab cd") {
count++;
}
console.log(count);

by Gaurav Agrawal

4

5

6

4.) What is the output of this code?

var x = 1 + "1";
var y = 1 + 1;
var z = "1" + "1";
if (x === 2) {
console.log(y);
}
else {
console.log(z);
}

by Creatico

nothing

NaN

2

11

5.) Which of the following is a valid way to change the content of the HTML element given below?

by Villafuerte

x#demo.innerHTML="Changing the Text!";

document.getElementByName("p").innerHTML = "Changing the text!;

document.getElementById("demo").innerHTML = "Changing the Text!";

document.getElement("p").innerHTML = "Changing the Text!";

Submit

zeroOK/D28/C10.js