JavaScript Increment And Decrement Operators

Implement Increment And Decrement Operations In JavaScript

Increment and decrement unary operators increase or decrease numeric values by 1 respectively.

JavaScript increment and decrement operators are commonly used in loops, arrays, arithmetic operations.

An operand is the object of a mathematical operation. Operands for the comparison operators can be integers or real numbers.

Implement Increment And Decrement Operators For JavaScript

JavaScript Implement Increment And Decrement Operators

Ojamboshop.com Learning JavaScript Implement Increment And Decrement Operators

Name	Description	Example
variable+=value	Increment	num1+=1;
variable-=value	Decrement	num1-=1;
++variable	Pre-increment	++num1;
variable++	Post-increment	num1++;
–variable	Pre-decrement	–num1;
variable–	Post-decrement	num1–;
Name	Description	Example

JavaScript Increment And Decrement Operators Snippet

// OjamboShop.com Learning JavaScript Increment And Decrement Operators Tutorial //
let num1 = 1;
num1+=1; // Increment By One
console.log(num1); // Console Displays 2
num1-=1; // Decrement By One
console.log(num1); // Console Displays 1
++num1; // Pre-increment
console.log(num1); // Console Displays 2
num1++; // Post-increment
console.log(num1); // Console Displays 3
--num1; // Pre-decrement
console.log(num1); // Console Displays 2
num1--; // Post-decrement
console.log(num1); // Console Displays 1

Usage

You can use any IDE or text editor and the web browser to compile and execute JavaScript code. For this tutorial, the OjamboShop.com Learning JavaScript Course Web IDE can used to input and compile JavaScript code for the increment and decrement operators.

Open Source

JavaScript follows the ECMAScript standard and is licensed under the W3C Software License by web browser vendors and runtime environment vendors. This allows commercial use, modification, distribution, and allows making derivatives proprietary.

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Conclusion:

JavaScript makes it easy to use the increment and decrement operators. Use increment and decrement operators to increase or decrease the value of a variable.

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