Output using console.log in Javascript - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to print "Hello, world!" to the console.

Javascript

console.[1]("Hello, world!");

Drag options to blanks, or click blank then click option'

Alog

Bwrite

Cprint

Dshow

Attempts:

3 left

💡 Hint

Common Mistakes

Using console.print instead of console.log

Using console.write which is not a valid method

Trying to use console.show which does not exist

The correct method to output text to the console in JavaScript is console.log().

2fill in blank

medium

Complete the code to print the value of variable x to the console.

Javascript

let x = 10;
console.[1](x);

Drag options to blanks, or click blank then click option'

Aprint

Bshow

Cwrite

Dlog

Attempts:

3 left

💡 Hint

Common Mistakes

Using console.print(x)

Using console.write(x)

Using console.show(x)

console.log(x) prints the value of x to the console.

3fill in blank

hard

Fix the error in the code to correctly print "Sum is 15".

Javascript

let a = 7;
let b = 8;
console.[1]("Sum is " + (a + b));

Drag options to blanks, or click blank then click option'

Awrite

Bprint

Clog

Dshow

Attempts:

3 left

💡 Hint

Common Mistakes

Using console.print instead of console.log

Using console.write or console.show which are invalid

console.log is the correct method. The code concatenates strings and numbers correctly.

4fill in blank

hard

Fill both blanks to print the numbers 1 to 5 using a loop.

Javascript

for(let i = 1; i [1] 5; i[2]) {
  console.log(i);
}

Drag options to blanks, or click blank then click option'

A<=

B<

C++

D--

Attempts:

3 left

💡 Hint

Common Mistakes

Using i < 5 which stops at 4

Using i-- which decreases i causing an infinite loop

The loop runs while i is less than or equal to 5, and i increments by 1 each time using i++.

5fill in blank

hard

Fill all three blanks to print only even numbers from 2 to 10.

Javascript

for(let num = [1]; num [2] 10; num[3]) {
  if(num % 2 === 0) {
    console.log(num);
  }
}

Drag options to blanks, or click blank then click option'

A1

B<=

C++

D2

Attempts:

3 left

💡 Hint

Common Mistakes

Starting at 1 which includes odd numbers

Using < instead of <= which excludes 10

Using num-- which causes an infinite loop

Start at 2, loop while num is less than or equal to 10, and increment num by 1 each time.