JavaScript

Question 1

How do you round the number 7.25, to the nearest integer?

Answer 1

Math.round(7.25)

Question 2

How do you find the number with the highest value of x and y?

Answer 2

Math.max(x, y)

Question 3

How can you detect the client’s browser name?

Answer 3

navigator.appName

Question 4

Is JavaScript case-sensitive?

Answer 4

Yes

Question 5

Question 11: Which of the following is an example of anonymous function in JavaScript?

var myFunc = function(){ };
function(){ };
var myFunc = (){ };
All of the above.

Answer 5

var myFunc = function(){ };

Question 6

Question 13: What is eval() in JavaScript?

Answer 6

The eval() function evaluates JavaScript code represented as a string and returns its completion value. The source is parsed as a script.

Question 7

A variable declared without var keyword inside a function will become _______ variable.

local
global
block
undefined

Answer 7

global