logical operators js code example

Example 1: javascript and operator

//AND Operator expressed as &&

const x = 7;
const y = 4;

(x == 7 && y == 5); // false
(x == 3 && y == 4); // false
(x == 7 && y == 4); // true

if (condition == value && condition == otherValue) {
  return something;
}

Example 2: js logical operators

Javascript Logical Operators
&& Logical and
|| Logical or
! Logical not

Example 3: or operator javascript

//|| is the or operator in JavaScript
if(a == 1 || b != 'value'){
    yourFunction();
}

Example 4: and operator in javascript

//&& returns true if both values are true
//or returns the second argument if the first is true
var a = true
var b = ""
var c = 1

true && "" //""
"" && 1 //""
false && 5 //false

Example 5: js comparison operators

Javascript Comparison Operators
== Equal to
=== Equal value and equal type
!= Not equal
!== Not equal value or not equal type
> Greater than
< Less than
>= Greater than or equal to
<= Less than or equal to
? Ternary operator

Example 6: and operator in javascript

//& (bitwise AND) operator
console.log(5 & 13); //outout: 5
/*
5  = 0101 (base 2)
13 = 1101 (base 2)
//AND every bit together from both numbers
+----+
|0101|
|1101|
+----+
|0101|
+----+
0101 = 5 (base 10)
*/