Javascript Basics Development Tutorials, Guides & Insights
Unlock 4+ expert-curated javascript basics tutorials, real-world code snippets, and modern dev strategies. From fundamentals to advanced topics, boost your javascript basics skills on DeveloperBreeze.
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Arithmetic Operators
- Example:
let result = 10 + 5 * 2; // 20
// Multiplication happens before addition
// 10 + (5 * 2) = 10 + 10 = 20
let resultWithParentheses = (10 + 5) * 2; // 30
// Parentheses alter the order
// (10 + 5) * 2 = 15 * 2 = 30Hello World and Comments
Comments are notes in the code that are ignored by the JavaScript engine. They are useful for explaining what the code does or for temporarily disabling parts of the code.
- Begin with
//. - Example:
Easy JavaScript Tutorial for Beginners
JavaScript supports several data types:
- Strings: Text, enclosed in quotes (
"Hello",'Hello'). - Numbers: Numerical values (
100,3.14). - Booleans: True or false values (
true,false). - Arrays: Collections of values (
[1, 2, 3]). - Objects: Key-value pairs (
{name: 'John', age: 30}).
JavaScript Tutorial for Absolute Beginners
This tutorial assumes no prior knowledge of programming. All you need is a text editor, a web browser, and a willingness to learn.
JavaScript is a high-level, interpreted scripting language primarily used for creating interactive effects within web browsers. Unlike HTML and CSS, which define the structure and style of web pages, JavaScript allows you to add behavior and interactivity to your web pages.