variable carName;
var carName;
vari carName;
dim carName;
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 variable declared with let cannot be changed
var define function scoped variable while let define block scoped variable
What will be the output of the following JS code snippet?
var a = true + true + true * 3; print(a)
0
3
error
5
parseInt ()
Number()
parseFloat()
valueOf()
Volatile variable
Mutable variable
Immutable variable
Dynamic variable
what will be the output of
document.write("5" + 5)
10
55
2value
first-name
var
_totalAmount
5myvalue
myvalue5
Myvalue
None of These
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
Null type
Undefined type
Number type
All of the mentioned
Display()
Prompt()
Alert()
Confirm()
document. write()
console.log()
window. alert()
innerHTML
keyword
function
Declaration Statement
Data type
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.
<!--This is a comment-->
//This is a comment
'This is a comment
#This is a comment
document.getElementById()
What type of value gets printed if we add the following two variables ?
var a = "10";var b =50;
Long
Text
Integer
Number
let
const
none of the above
What will be the output of the following JavaScript snippet?
console.log("5" + 3);
53
8
2
Error
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")
Division by zero
Missing of semicolons
Syntax error
Both A and B
/* This is a comment */
Both A and C
static
public
Boolean
String
Function