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