Output formatting basics in Javascript - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to print the message to the console.

Javascript

console.log([1]);

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

Aprint('Hello, world!')

B'Hello, world!'

Cconsole.log('Hello, world!')

DHello, world!

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting quotes around the text.

Using print() instead of console.log().

To print text in JavaScript, you must put the text inside quotes as a string.

2fill in blank

medium

Complete the code to print the number 42 to the console.

Javascript

console.log([1]);

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

A'42'

Bnumber(42)

C"42"

D42

Attempts:

3 left

💡 Hint

Common Mistakes

Putting numbers inside quotes makes them strings.

Using number() function which is not needed here.

Numbers are printed without quotes in JavaScript.

3fill in blank

hard

Fix the error in the code to print the variable value.

Javascript

let name = 'Alice';
console.log([1]);

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

A"name"

B'name'

Cname

Dconsole.log(name)

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around the variable name.

Writing console.log inside console.log.

To print the value of a variable, use the variable name without quotes.

4fill in blank

hard

Fill both blanks to print a greeting with a variable.

Javascript

let user = 'Bob';
console.log('Hello, ' + [1] + [2]);

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

Auser

B'!'

C'?'

D"!"

Attempts:

3 left

💡 Hint

Common Mistakes

Putting quotes around the variable name.

Using wrong punctuation marks.

Use the variable name and add an exclamation mark as a string.

5fill in blank

hard

Fill all three blanks to print a formatted message using template literals.

Javascript

let age = 30;
let name = 'Carol';
console.log(`My name is [1] and I am [2] years [3].`);

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

A${name}

B${age}

Cold

Dyears

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting ${} around variables.

Using quotes instead of backticks.

Missing the word 'old' in the sentence.

Use ${variable} inside backticks for variables and add the word 'old' to complete the sentence.