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JavaScript Code Examples
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JavaScript Examples
https://www.w3schools.com/js/js_examples.asp
JavaScript Examples | Programiz
https://www.programiz.com/javascript/examples
JavaScript Programming Examples - GeeksforGeeks
https://www.geeksforgeeks.org/javascript/javascript-examples/
JavaScript is a versatile language used for creating dynamic, interactive web applications. It can manipulate HTML, handle events, perform calculations, and interact with APIs. Below are some practical examples covering variables, functions, DOM manipulation, and events.
Example 1: Variables and Basic Operations
// Declaring variables
let a = 10;
let b = 5;

// Arithmetic operation
let sum = a + b;
console.log("Sum:", sum); // Output: Sum: 15
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This demonstrates variable declaration using let and performing arithmetic operations.
Example 2: Functions
// Function to convert Celsius to Fahrenheit
function celsiusToFahrenheit(celsius) {
return (celsius * 9/5) + 32;
}

console.log(celsiusToFahrenheit(25)); // Output: 77
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Functions in JavaScript can take parameters and return values, making them reusable for different inputs.
Example 3: DOM Manipulation
// Change text content of an element
document.getElementById("demo").innerHTML = "Hello JavaScript!";
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This modifies the HTML element with id="demo" dynamically.
Example 4: Event Handling
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3:26:43
Learn JavaScript - Full Course for Beginners
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Where can I find free JavaScript code examples?
You can find free JavaScript code examples including buttons, loaders, hover effects, modal windows, and menus on devsnap.me.
devsnap.me
Programiz
https://www.programiz.com/javascript/examples
JavaScript Examples - Programiz
The page contains examples on basic concepts of JavaScript. You are advised to take the references from these examples and try them on your own. This page contains examples of basic concepts of Python programming like loops, functions, native datatypes and so on.
Best JavaScript Practice Codes
W3Schools JS examples
JavaScript Projects for Practice

W3School
https://www.w3schools.com › js › js_examples.asp
JavaScript Examples - W3Schools
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
- An Empty Variable
  An Empty Variable - JavaScript Examples …
- The -= Assignment Operator
  The -= Assignment Operator - JavaScript …
- Try It Yourself
  Test JavaScript code in the W3Schools …
- Access an Array Element
  Access an Array Element - JavaScript …
- W3Schools Tryit Editor
  Test and experiment with JavaScript code …
- Create a Person Object (Singl…
  Create a Person Object (Single Line) - …
- Access Object Properties Usi…
  Access Object Properties Using [Property] …
- Loop Through an Array
  Loop Through an Array - JavaScript …
See results only from w3schools.com
Programiz
https://www.programiz.com › javascript › examples
JavaScript Examples - Programiz
- JavaScript Program To Print Hello World.
  JavaScript Program to Add Two Numbers.
  JavaScript Program to Find the Square Root.
  JavaScript Program to Calculate the Area of a Triangle.
  JavaScript Program to Swap Two Variables.
  See full list on programiz.com
Tutorial Republic
https://www.tutorialrepublic.com › javascript-examples.php
JavaScript Examples - Tutorial Republic
An extensive collection of JavaScript examples covering topics like data types, conditional statements, loops, functions, objects, DOM, math, data and time, etc. to help you understand how JavaScript is …
People also ask
JavaScript examples include calculating values, validating forms, creating interactive web elements, displaying animations, and building games. 2. How to write a simple JavaScript? You can write simple JavaScript with the alert () function: <script>alert ("Hello, World!");</script>. 3.What is JavaScript in HTML with example?
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Top 10 JavaScript Examples with Code for Beginners & Experts
upgrad.com·https://www.upgrad.com/tutorials/software-engineering/javascript-tutorial/javascript-examples/
JavaScript adds interactivity to websites. To begin coding in JavaScript, you need to understand a few basic principles. You must place JavaScript code between <script> and </script> tags in your HTML document. These scripts can go in either the <head> or <body> section, or both.
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JavaScript Examples [51 Useful Examples] - Python Guides
pythonguides.com·https://pythonguides.com/javascript-examples/
To use JavaScript, developers simply add code within <script> tags in an HTML file. When the browser loads the HTML, it automatically runs the JavaScript code. With features like let introduced in ECMAScript 2015 (ES6), JavaScript continues to evolve as a powerful tool for web development.
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JavaScript Examples [51 Useful Examples] - Python Guides
pythonguides.com·https://pythonguides.com/javascript-examples/
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codelucky.com
https://codelucky.com › javascript-examples
JavaScript Examples: Practical Code Samples and Use Cases
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Aug 27, 2024 · Explore practical JavaScript examples with code samples and real-world use cases. Enhance your coding skills with these helpful, detailed JavaScript tutorials.
Python Guides
https://pythonguides.com › javascript-examples
JavaScript Examples [51 Useful Examples] - Python …
Jun 2, 2025 · Explore 51 useful JavaScript examples to improve your coding skills. Learn practical code snippets for perfect for beginners and experienced …
examples-of.net
https://examples-of.net › javascript-code
Examples of JavaScript Code for Web Development
Oct 13, 2025 · Explore the essential role of JavaScript in web development, covering code components, libraries, best practices, and common mistakes to …
Free Frontend
https://freefrontend.com › javascript-code-examples
JavaScript Examples - Free Frontend
Feb 2, 2025 · Here, you’ll find a comprehensive collection of JavaScript examples designed to enhance your web projects. Our selection includes practical implementations of Background Effects, Buttons, …
Devsnap
https://devsnap.me › javascript-code-examples
JavaScript Code Examples
Curated lists of Free JavaScript code examples including buttons, loaders, hover effects, modal windows, menus, and text effects.
examplejavascript.com
https://examplejavascript.com
JavaScript Code Examples | How to's | Example JavaScript
Find guides, explainers and how to's for every popular function in JavaScript. Choose from hundreds of npm packages and thousands of functions.
upGrad
https://www.upgrad.com › ... › javascript-examples
Top 10 JavaScript Examples with Code for Beginners & Experts
Feb 3, 2025 · Looking for some JavaScript examples? Check this tutorial out to learn about the best JavaScript examples with source code out there for beginners.

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Deep dive into +Example Of Java Script Code
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JavaScript Code Examples

JavaScript Examples

https://www.w3schools.com/js/js_examples.asp

JavaScript Examples | Programiz

https://www.programiz.com/javascript/examples

JavaScript Programming Examples - GeeksforGeeks

https://www.geeksforgeeks.org/javascript/javascript-examples/

JavaScript Examples - W3Schools

An Empty Variable

The -= Assignment Operator

Try It Yourself

Access an Array Element

W3Schools Tryit Editor

Create a Person Object (Singl…

Access Object Properties Usi…

Loop Through an Array

JavaScript Examples - Programiz

JavaScript Examples - Tutorial Republic

JavaScript Examples: Practical Code Samples and Use Cases

JavaScript Examples [51 Useful Examples] - Python …

Examples of JavaScript Code for Web Development

JavaScript Examples - Free Frontend

JavaScript Code Examples

JavaScript Code Examples | How to's | Example JavaScript

Top 10 JavaScript Examples with Code for Beginners & Experts

Deep dive into +Example Of Java Script Code

Deep dive into +Example Of Java Script Code

JavaScript Examples

https://www.w3schools.com/js/js_examples.asp

JavaScript Examples | Programiz

https://www.programiz.com/javascript/examples

JavaScript Programming Examples - GeeksforGeeks

https://www.geeksforgeeks.org/javascript/javascript-examples/

What are examples of JavaScript?

What is JavaScript coding?

Where can I find free JavaScript code examples?

How to use JavaScript?

Deep dive into +Example Of Java Script Code