Append something to an array in JavaScript

JavaScript Online Quiz

Append something to an array in JavaScript

Test your coding prowess in our Ultimate Programming JavaScript Online Quiz with Total 12 Questions.

Whether you're a seasoned developer or just dipping your toes into the programming world, challenge yourself with a range of questions spanning languages like Python, Java, and more.

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1. 
Variable declared is example of ________________ Variable.


function message() {
var varname = "Rajiv";
alert(name);
}

2. 
Which tag(s) can handle mouse events in Netscape?

3. 
Which of the following method checks if its argument is not a number?

4. 
Which of the following is not a valid JavaScript variable name?

5. 
What will be the output of the following Program ?


function x()
{
document.write(2+5+"8");
}

6. 
What if we put ++ operator inside if condition? find the output


var a = 10;
if(a == a++)
document.write(a);

7. 
Which of the following navigator object properties is the same in both Netscape and IE?

8. 
Which of the following are capabilities of functions in JavaScript?

9. 
What will be the output of the below code snippet?


let{name,age}={name:"abc",age:1,id:1} console.log(name,age)

10. 
Which of the following is a valid function declaration syntax?

11. 
What is the right syntax to accept an indefinite number of parameters?

12. 
What will be the output of the following JavaScript code?


var myvar = Boolean('false');
document.getElementById ("demo").innerHTML = myvar;