JavaScript Exercises
Fill in the blanks to test your knowledge.
1
Declare a constant variable called name
name = "DevForge";
2
Print "Hello" to the console
console.("Hello");
3
Use an arrow function to add two numbers
const add = (a, b) a + b;
4
Get the length of an array
const len = myArray.;
5
Add an item to the end of an array
arr.(newItem);
6
Use strict equality comparison
if (a b) { ... }
7
Convert a string to an integer
const num = ("42");
8
Check if an array contains a value
arr.("value")
9
Create a template literal
const msg = Hello, ${name}!;
10
Use async/await to handle a promise
function fetchData() { const data = fetch(url); }