JavaScript Quiz for Beginners and Professionals: Questions to Test Your Coding Skills (25)

JavaScript is a __ language ?

If we execute the following code what will be the output ?  

var x = 0;
var y = 1; 
var z = x/y;  
console.log(z);

What will be the output of the following code ?  

int  m = 10;
char n = 10;

if(m == n){
   return true;
}else{
   return false;
}

What will be the output of the js code ?  

int  m = 10;

if(m === "10"){
    return true;
}else{
  return false;
}

What will happen after run following code snippet ?  

//first code
var js_without_function_name = (function(m) {return m*m;}(5));


//second code
function js_without_function_name(m){
  var js = m*m;
}
js_without_function_name(5)

In which HTML element do we put the JavaScript code?

Which of the following is the right JavaScript syntax to change the content of the HTML element?

<h2 id="change">Hello change me</h2>    

What is the right syntax for referring to an external script called "webjourney.js"?    

External JavaScript file must contain the <script> tag. True or False ?

what is the correct syntax to write "Hello World" in an alert box?

How can we call a function named "myFunction" in javaScript?

What of the following is the correct approach to detect the client's browser name?  

JavaScript is the same as Java.

How does a WHILE loop start?  

How does a FOR loop start in javascript?

How do you find the number with the highest value of a and b in javascript?

What will be the value of the bellow variable position?  

let text = "Hello welcome to, webjourney.";
let position = text.indexOf("webjourney");

 

Which of the bellow one is not a JavaScript Data Types?

Which software company developed javascript?

Which of the following is JavaScript ignores?

What would be the possible result of 2+1+”7″?

In Javascript which value is responsible to represent no value or no object __

var person= {name:"Nazmul Hoque", email:"nazmul@ex.com"};

What is the way to delete person name?

Which of the bellow one is used to prevent the page from reloading?

 By default all JavaScript variables are object data types__