Test Your Javascript Basics Knowledge - Can You Ace Our 25-Question Quiz?

1/25 How do you write "Hello W3docs" in an alert box?

2/25 Which of the following is the correct syntax to redirect a URL using JavaScript?

3/25 How do you round the number 5.35 to the nearest integer?

4/25 How do you open a new window with JavaScript?

5/25 How do you write anything into the web page in JavaScript?

6/25 Which of the following events occurs when the user clicks on an HTML element?

7/25 How do you create a new function in JavaScript?

8/25 Which of the following does the pop() method do?

9/25 Which of the following is used for assigning a value to a variable?

10/25 What will happen if the return statement doesn’t have the associated expression?

11/25 What does 'this' refer to in a JavaScript method?

12/25 How do you access the first element of an array named 'myArray'?

13/25 What is the use of the 'async' keyword in JavaScript?

14/25 Which event occurs when a user clicks on an HTML element in JavaScript?

15/25 Which operator is used to compare both the value and the type?

16/25 What is the result of 'typeof NaN' in JavaScript?

17/25 What is the default scope of a variable declared with 'var' in JavaScript?

18/25 Which method in an array adds new elements to the end of an array?

19/25 Which JavaScript method is used to remove the last element from an array and return that element?

20/25 Which method is used to add one or more elements to the beginning of an array?

21/25 What is the correct syntax for creating a new Date object in JavaScript?

22/25 How do you find the number with the highest value of two numbers in JavaScript?

23/25 Which of these is not a valid JavaScript data type?

24/25 What method is used to transform a string into an integer in JavaScript?

25/25 Which JavaScript method is used to sort the elements of an array?