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JavaScript Tutorial

55 topics · Free · Certificate on completion

Learn the language of the web — from variables to async programming.

Your learning path

Work through values, functions, objects, and scope before asynchronous execution and browser interaction. Distinguish what the language does from what browser APIs provide.

Put the lessons into practice

Predict a snippet’s output, run it, and explain any mismatch. Change one input or condition at a time to understand closures, promises, and event handling.

What you'll learn

01.JavaScript Introduction 02.Where To Place JavaScript 03.JavaScript Output 04.JavaScript Statements 05.JavaScript Syntax 06.JavaScript Comments 07.JavaScript Variables (let, const, var)08.JavaScript Operators 09.JavaScript Arithmetic 10.JavaScript Assignment Operators 11.JavaScript Data Types 12.JavaScript Functions 13.JavaScript Objects 14.Object Properties & Methods 15.JavaScript Events 16.JavaScript Strings 17.JavaScript String Methods 18.JavaScript Template Literals 19.JavaScript Numbers 20.JavaScript Number Methods 21.JavaScript Arrays 22.JavaScript Array Methods 23.Array Sorting & Iteration 24.JavaScript Dates 25.JavaScript Math Object 26.JavaScript Random Numbers 27.JavaScript Booleans 28.JavaScript Comparison Operators 29.JavaScript If...Else 30.JavaScript Switch Statement 31.JavaScript For Loop 32.JavaScript for...in and for...of 33.JavaScript While Loop 34.JavaScript Break & Continue 35.JavaScript Sets 36.JavaScript Maps 37.JavaScript typeof Operator 38.JavaScript Type Conversion 39.JavaScript Destructuring 40.JavaScript Spread & Rest Operators 41.JavaScript Scope 42.JavaScript Hoisting 43.JavaScript this Keyword 44.JavaScript Arrow Functions 45.JavaScript Classes 46.JavaScript Modules 47.JavaScript JSON 48.JavaScript Errors & Try...Catch 49.JavaScript Callbacks 50.JavaScript Promises 51.JavaScript Async & Await 52.JavaScript DOM Manipulation 53.JavaScript Fetch & AJAX 54.JavaScript Closures 55.JavaScript Best Practices