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93 questions
Easy
12 votes4526 runs
5 comments

The certificate variable is not attainable outside the if loop

Web developer
variables
scope
Anonymous authorat Apr 6, 2022
Easy
12 votes4327 runs
3 comments

Use spread operator to split an array into two arrays in Javascript

Web developer
array
spread operator
Anonymous authorat Jul 19, 2024
Hard
12 votes1074 runs0 comment

What is special about quick sort?

IT Architect
sorting
algorithm
Anonymous authorat Sep 19, 2022
Easy
12 votes985 runs0 comment

What is recursion?

IT Architect
recursion
Anonymous authorat Sep 19, 2022
Easy
11 votes4555 runs0 comment

What can be said about ECMAScript?

Web developer
standards
javascript
Anonymous authorat Apr 12, 2022
Easy
11 votes4299 runs2 comments

Write a for in loop in Javascript

Web developer
arrays
loops
Anonymous authorat Apr 6, 2022
Medium
10 votes4542 runs
3 comments

Write a switch statement that checks if a person can go down a slide based on their weight and height.

Web developer
switch
if else conditions
Anonymous authorat Apr 6, 2022
Easy
8 votes4396 runs
2 comments

Filter the elements of an array in Javascript

Web developer
array
filter
Anonymous authorat Apr 6, 2022
Easy
8 votes904 runs0 comment

What type of structure are the results of a recursive function stored in?

IT Architect
recursion
stack
Anonymous authorat Sep 19, 2022
Easy
7 votes4263 runs0 comment

Add Lyon to the end of the city array

Web developer
arrays
push
Anonymous authorat Mar 29, 2022
Medium
7 votes1672 runs3 comments

Access the value of the 'level' attribute in a Javascript object

Web developer
objects
arrays
Anonymous authorat Mar 21, 2022
Easy
6 votes4350 runs
2 comments

What type is the variable 'apple'?

Web developer
boolean
variable
Anonymous authorat Mar 21, 2022
Easy
5 votes2381 runs1 comment

Explain the difference between let and const in Javascript

Web developer
variables
mutability
Anonymous authorat Mar 21, 2022
Medium
5 votes827 runs0 comment

What about the merge sort method?

IT Architect
sorting
algorithm
Anonymous authorat Sep 19, 2022
Easy
4 votes2938 runs
1 comment

Remove the last element of an array in Javascript

Web developer
arrays
pop
Anonymous authorat Apr 6, 2022
Easy
3 votes1376 runs0 comment

How to create an object Address in Javascript

Web developer
constructor
object
Anonymous authorat Mar 21, 2022
Easy
3 votes191 runs0 comment

Write a C program that calculates the average of two notes.

IT Architect
constants
assignment
Anonymous authorat Mar 21, 2022
Medium
2 votes872 runs0 comment

What is the complexity of this algorithm?

IT Architect
sorting
algorithm
Anonymous authorat Sep 19, 2022
Medium
2 votes778 runs1 comment

What can be said about a terminal algorithm?

IT Architect
algorithm
termination
Anonymous authorat Sep 19, 2022
Medium
2 votes720 runs0 comment

Given an array of 17 elements sorted in ascending order, what is the cost of accessing the element with index 10?

IT Architect
array
sorting
Anonymous authorat Sep 19, 2022