JavaScript Fundamentals

Summary

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By now, you've learned the fundamentals of JavaScript, including variables, functions, loops, arrays and more.

Now that you understand the fundamentals of HTML, CSS, and JavaScript, it is time to start building modern frontend applications with Svelte.

In the next course, you will learn how to create reusable components, manage reactive state, handle user interactions, and build dynamic user interfaces using one of the most modern and beginner-friendly frontend frameworks.

1. What is the correct way to declare a variable in JavaScript?

2. Which function is used to print something to the console?

3. Which of the following loops will execute at least once, even if the condition is false?

4. What will be the output of `console.log(2 + "2")`?

What is the correct way to declare a variable in JavaScript?

Select all correct answers

var myVariable = 10;

let myVariable = 10;

const myVariable = 10;

int myVariable = 10;

Which function is used to print something to the console?

Select the correct answer

console.log()

print()

log.console()

echo()

Which of the following loops will execute at least once, even if the condition is false?

Select the correct answer

for loop

while loop

do...while loop

None of the above

What will be the output of console.log(2 + "2")?

Select the correct answer

4

"22"

NaN

Error

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Section 1. Chapter 74

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Section 1. Chapter 74

Summary

1. What is the correct way to declare a variable in JavaScript?

2. Which function is used to print something to the console?

3. Which of the following loops will execute at least once, even if the condition is false?

4. What will be the output of console.log(2 + "2")?

4. What will be the output of `console.log(2 + "2")`?