var
let
const
none of the above
//This is a comment
<!--This is a comment-->
/* This is a comment */
Both A and C
document. write()
console.log()
innerHTML
document.getElementById()
keyword
function
Declaration Statement
Data type
window. alert()
Division by zero
Missing of semicolons
Syntax error
Both A and B
The with value let cannot of a variable declared with var can be changed while the value of a variable declared be changed
var defines a variable while let defines a constant
var declare function scoped variable while let declare block scoped variable
All of the options
var defines a variable while let defines a constant.
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
Prints an exception error
Prints an overflow error
Displays “Infinity”
Prints the value as such
=
==
===
!=
22
4
2
syntax error
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.
::
?:
??
=>
/
%
*
^
static
public
5myvalue
myvalue5
Myvalue
None of These
Display()
Prompt()
Alert()
Confirm()
What is the output?
console.log(2+"2"*2);
44
12
6
Error
console.log("5" + 2);
7
52
Undefined
What will be the output?
console.log(true + true);
0
1
Volatile variable
Mutable variable
Immutable variable
Dynamic variable
jscript.write("Sky is blue")
document.write("Sky is blue")
print("Sky is blue")
jscript.print("Sky is blue")
'This is a comment
#This is a comment
Displays a message in an alert box
Prints output to the console
Writes data to a file
Logs an error in the browser console
2value
first-name
_totalAmount
x
if(a!=null)
if (!a)
if(a!null)
if(a!==null)
variable carName;
var carName;
vari carName;
dim carName;