JavaScript Tutorial

KNOWe Learning Module

Learn JavaScript

Create interactive web pages and browser-based applications with modern JavaScript.

Start Learning Jump to Mini Project

Why Learn JavaScript?

Web Essential

JavaScript powers interactivity in websites and web apps.

Job Focused

Frontend, backend (Node.js), dashboards, and digital products.

JavaScript Syntax

JavaScript runs in browser and uses familiar statements.

Try JavaScript

Output


          

        


        
        
Variables (let & const)
Use let and const to store values.
 


        
        
Functions
Functions help reuse code.
 


        
        
Conditions (if/else)
Conditions check whether something is true or false.
 


        
        
Events & Interaction
JavaScript responds to user actions like clicks.
 


        
        
🛠️ Mini Project: Counter App
 

          
 Tip: Modify increase() to add 2, or add a new function!

        


        
        
JavaScript Assessment

          
Test your understanding of JavaScript basics.

          

            
1. JavaScript commonly runs in the browser.

            
2. Which keyword is commonly used to declare a variable?

            
3. JavaScript can respond to button clicks.

            
            
Complete the quiz and click submit.

          

        


        
        
Learner Progress
Track completion of this JavaScript module.
Course Progress0%


        
        
Next Steps
  • ✓ Practice writing small scripts inside HTML pages.
  • ✓ Use JavaScript to validate forms and handle clicks.
  • ✓ Build mini tools like calculators and counters.
  • ✓ Continue to arrays, objects, and DOM manipulation.

        
        
JavaScript course module with interactive editor, assessment & progress tracking on KNOWe platform