5myvalue
myvalue5
Myvalue
None of These
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
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.
variable carName;
var carName;
vari carName;
dim carName;
Prints an exception error
Prints an overflow error
Displays “Infinity”
Prints the value as such
document. write()
console.log()
window. alert()
innerHTML
Division by zero
Missing of semicolons
Syntax error
Both A and B
<!--This is a comment-->
//This is a comment
'This is a comment
#This is a comment
/* This is a comment */
Both A and C
Displays a message in an alert box
Prints output to the console
Writes data to a file
Logs an error in the browser console
if(a!=null)
if (!a)
if(a!null)
if(a!==null)
jscript.write("Sky is blue")
document.write("Sky is blue")
print("Sky is blue")
jscript.print("Sky is blue")
Volatile variable
Mutable variable
Immutable variable
Dynamic variable
keyword
function
Declaration Statement
Data type
=
==
===
!=
var
let
const
none of the above
x
*
22
4
2
syntax error
Display()
Prompt()
Alert()
Confirm()
document.getElementById()