script5.js

// introver extrovert


// Human - type 
// properties - color weight height 
// methods - walk() , talk()


// Vehicle 
// properties - regNo , color , model , type
// method - start() , stop()

// bank acc 
// properties - accNO , accName , bal
// methods - deposit() , withdrawl()


let a = 10
console.log(a)
console.log(typeof a)
// 10 , -10 ,10.5 , -12.5


let b = true
console.log(b)
console.log(typeof b)
// true or false


let c = "chinmay"
console.log(c)
console.log(typeof c)
//string
// "A", "a", '123', "a123#@$"," "

// comparison operator 

console.log(typeof 10)
console.log(typeof '10')

// entity < entity ----> boolean -----> true or false
// < , > ,<= ,>=
// == , !=  // value
// === , !== // value and type

console.log(10 === '10')
console.log(10 === 10)
console.log(10 == '10')
console.log(10 !== '10')
console.log(10 == 10)
console.log(4 > 3)
console.log(5 < 3)
console.log(2 >= 3)
console.log(3 >= 2)
console.log(2 >= 2)
console.log(2 <= 2)


// logical operator 


// AND - &&

// true   &&   true  ----- true
// false  &&   true  ----- false
// true   &&   false  ----- false
// false  &&   false  ----- false

console.log(2 == '2' && 3 === 3)
console.log(3 != 3 && 6 == 6)
console.log(7 == 7 && 3 === '3')
console.log(7 == 6 && 3 === '3')

// OR - ||
// true   ||   true  ----- true
// false  ||   true  ----- true
// true   ||   false  ----- true
// false  ||   false  ----- false

console.log(2 == '2' || 3 === 3)
console.log(3 != 3 || 6 == 6)
console.log(7 == 7 || 3 === '3')
console.log(7 == 6 || 3 === '3')

// Not - !
//! true  ===> false
// !false ===> true
console.log(!(8 === 8))
console.log(! (8 === 7))