6. Operators

Question 1

Symbol for Equality Operator ?

Answer 1

=== (is an strict equality operator)

Question 2

Example for Strict Operator (Reveal Answer )

Answer 2

let age = 18
if (age === 18) console.log('You have become an adult');

In the above example using the if statement ( if we get the exact value then it will show the output in the console else it will not show anything);

Question 3

Symbol for Loose Operator ?

Answer 3

== (is an loose operator)

Question 4

Example for Loose Operator (Reveal Answer )

Answer 4

let kiranage = '18'
if (kiranage == 18) console.log("I understood the concept");

Here in the above example now since == is a loose operator it will convert string to a number and will match and will show the output.

Question 5

Which Operator can convert any string or values ?

Answer 5

== (loose operator) (can convert any string or values)

Question 6

Which operator matches the exact value without which the code will not be executed ?

Answer 6

=== (strict operator)

Question 7

Symbol for AND Operator ?

Answer 7

&&

Question 8

Symbol fro NOT Operator

Answer 8

||

Question 9

Symbol for NOT Operator

Answer 9

!

Question 10

Example for AND Operator

Reveal Answer

Answer 10

const hasDriversLicense = true //A
const hasGoodVision = true //B

console.log(hasDriversLicense && hasGoodVision)

Because ( true + true = True ) as per the Boolean logic table.

Example 2
const hasDriversLicense = true //A
const hasGoodVision = false //B

console.log(hasDriversLicense && hasGoodVision);
Output = false
Explanation :- true + false = false ( if any one is false then it will be false )

Question 11

Example for OR Operator (||)

Reveal Answer

Answer 11

const hasDriversLicense = true //A
const hasGoodVision = false //B

console.log(hasDriversLicense || hasGoodVision);
Output :- true

Question 12

Example of NOT OPERATOR (!)

Reveal Answer

Answer 12

const hasDriversLicense = true //A
const hasGoodVision = false //B

console.log(!hasDriversLicense);

Explanation :- true + false = false ( if any one is false then it will be false )