Operators

Arithmetic operators

Operator	Example	Result
+	5 + 2	7
-	5 - 2	3
*	5 * 2	10
/	5 / 2	2.5
%	5 % 2	1

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Comparison operators

Operator	Example	Result
==	5 == "5"	true (loose equality)
===	5 === "5"	false (strict equality)
!=	5 != "5"	false
!==	5 !== "5"	true
> <	5 > 3	true

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Logical operators

Logical operators allow you to combine multiple boolean conditions.

Operator	Example	Result	Explanation
&&	true && false	false	Returns true only if both conditions are true
`		`	`true
!	!true	false	Inverts the value (NOT)

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Practical example

let age = 20;
let hasLicense = true;

if (age >= 18 && hasLicense) {
  console.log("You can drive!");
} else {
  console.log("You cannot drive.");
}

let isLoggedIn = false;
let isAdmin = true;

if (isLoggedIn || isAdmin) {
  console.log("Access granted");
} else {
  console.log("Access denied");
}

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Truth table

| A | B | A && B | A || B | |-------|-------|----------|----------| | true | true | true | true | | true | false | false | true | | false | true | false | true | | false | false | false | false |

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Negation (!)

The ! operator inverts the boolean value:

A	!A
true	false
false	true