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Alaguselvan T
Alaguselvan T

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OPERATORS IN JAVASCRIPT

Operators:
JavaScript operators are symbols or keywords that perform operations on values (operands).

Examples:

  1. Arithmetic Operators: Used to perform mathematical calculations.
let a = 15;
let b = 4;

console.log(a + b); // 19
console.log(a - b); // 11
console.log(a * b); // 60
console.log(a / b); // 3.75
console.log(a % b); // 3
console.log(a ** b); // 50625
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String Addition:

console.log("Hello" + " World");
// Hello World

console.log("10" + 5);
// 105

console.log(10 + "5");
// 105
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  1. Assignment Operators Assign values to variables. (=,+=,-=,=,/=,%=,*=)
let x = 10;

x += 5;
console.log(x); //15

x *= 2;
console.log(x); //30

x -= 10;
console.log(x); //20
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  1. Comparison Operators Return true or false (==,===,!=,<=,>=,>,<)
console.log(5 > 3);     // true
console.log(5 < 3);     // false
console.log(5 >= 5);    // true
console.log(5 <= 4);    // false
console.log(5 != "5");  // false
console.log(5 !== "5"); // true
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  1. Logical Operators
    Used with boolean values.
    (AND,||,!)
    And:both should be true
    Or:Atleast One true
    Not:Opposite !true means False

  2. Increment and Decrement Operators
    Increment (++)
    Adds 1.
    Pre Increment:

let x = 5;

console.log(++x); // 6 first increament
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Post Increment

let x = 5;

console.log(x++);//5 use and then increase
console.log(x);//6 increased

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Decrement (--) Same as Increment

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