Boolean
String
Number
Function
//This is a comment
<!--This is a comment-->
/* This is a comment */
Both A and C
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
keyword
function
Declaration Statement
Data type
Null type
Undefined type
Number type
All of the mentioned
Displays a message in an alert box
Prints output to the console
Writes data to a file
Logs an error in the browser console
variable carName;
var carName;
vari carName;
dim carName;
document. write()
console.log()
innerHTML
document.getElementById()
Division by zero
Missing of semicolons
Syntax error
Both A and B
parseInt ()
Number()
parseFloat()
valueOf()
Volatile variable
Mutable variable
Immutable variable
Dynamic variable
5myvalue
myvalue5
Myvalue
None of These
window. alert()
what will be the output of
document.write("5" + 5)
5
10
55
error
What type of value gets printed if we add the following two variables ?
var a = "10";var b =50;
Long
Text
Integer
'This is a comment
#This is a comment
Display()
Prompt()
Alert()
Confirm()
integers
double precision floating point
double
floating point
var
let
const
none of the above
jscript.write("Sky is blue")
document.write("Sky is blue")
print("Sky is blue")
jscript.print("Sky is blue")
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.