Volatile variable
Mutable variable
Immutable variable
Dynamic variable
Prints an exception error
Prints an overflow error
Displays “Infinity”
Prints the value as such
if(a!=null)
if (!a)
if(a!null)
if(a!==null)
Boolean
String
Number
Function
22
4
2
syntax error
5myvalue
myvalue5
Myvalue
None of These
<!--This is a comment-->
//This is a comment
'This is a comment
#This is a comment
variable carName;
var carName;
vari carName;
dim carName;
=
x
==
*
Null type
Undefined type
Number type
All of the mentioned
var defines a variable while let defines a constant.
There is no such major difference between them.
The value of a variable declared with var can be changed while the value of a variable declared with let cannot be changed.
var defined function scoped variable while let define block scoped variable.
Division by zero
Missing of semicolons
Syntax error
Both A and B
jscript.write("Sky is blue")
document.write("Sky is blue")
print("Sky is blue")
jscript.print("Sky is blue")
What type of value gets printed if we add the following two variables ?
var a = "10"; var b =50;
Long
Text
Integer
var
let
const
none of the above
keyword
function
Declaration Statement
Data type
There is no such major difference between them
The value of variable declared with let cannot be changed
var define function scoped variable while let define block scoped variable
Displays a message in an alert box
Prints output to the console
Writes data to a file
Logs an error in the browser console
/* This is a comment */
Both A and C
document. write()
console.log()
innerHTML
document.getElementById()
