Function execution context in Javascript - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a function named greet.

Javascript

function [1]() {
  console.log('Hello!');
}

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

Ahello

BsayHello

Cgreet

Dgreeting

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different function name than 'greet'.

Forgetting to name the function.

The function name must be 'greet' to match the intended function definition.

2fill in blank

medium

Complete the code to call the function greet.

Javascript

[1]();

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

Agreet

BsayHello

Chello

Dgreeting

Attempts:

3 left

💡 Hint

Common Mistakes

Calling a function name that was not defined.

Forgetting the parentheses when calling the function.

To call the function named 'greet', use 'greet()'.

3fill in blank

hard

Fix the error in the function to correctly log the parameter.

Javascript

function greet(name) {
  console.log([1]);
}
greet('Alice');

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

AName

Bname

C'name'

Dgreet

Attempts:

3 left

💡 Hint

Common Mistakes

Using uppercase 'Name' instead of 'name'.

Logging the string 'name' instead of the variable.

The parameter is named 'name' with lowercase, so use 'name' inside the function.

4fill in blank

hard

Fill both blanks to create a function that returns the sum of two numbers.

Javascript

function add([1], [2]) {
  return a + b;
}

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

Aa

Bb

Cx

Dy

Attempts:

3 left

💡 Hint

Common Mistakes

Using parameter names that don't match the return statement.

Using unrelated variable names.

The function parameters must be 'a' and 'b' to match the return statement.

5fill in blank

hard

Fill all three blanks to create a function that checks if a number is positive.

Javascript

function isPositive([1]) {
  if (num [2] 0) {
    return [3];
  } else {
    return false;
  }
}

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

Anum

B>

Ctrue

D<

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different parameter name than 'num'.

Using '<' instead of '>' in the condition.

Returning false instead of true when the condition is met.

The parameter is 'num', the condition checks if num > 0, and returns true if so.