Create Dynamic Bar & Line Graphs with HTML5 & JavaScript – Beginner Friendly!

In this screencast, learn how to build a fully functional spreadsheet-like graph plotter using only HTML5, CSS3, and vanilla JavaScript.
Watch step-by-step as we create a dynamic data input table that automatically adds rows, and plots both bar and line graphs on the canvas element — no frameworks needed!

This tutorial is perfect for beginners who want to practice JavaScript basics and get hands-on experience with DOM manipulation and canvas graphics.

What you will learn:

How to create a spreadsheet-style input table with dynamic rows

Plot bar graphs and line graphs with canvas

Handle user input and draw scalable graphs dynamically

Basic event handling in JavaScript

Try out the full project code and detailed explanation here:
https://www.ojambo.com/build-an-html5-spreadsheet-like-graph-plotter-with-javascript

Interested in learning JavaScript more deeply? Check out my beginner’s book and course:
Book: https://www.amazon.com/Learning-JavaScript-Programming-Beginner-Guide/dp/B0DRDB2P2P
Course: https://ojamboshop.com/product/learning-javascript

Need personalized help? Contact me for one-on-one programming tutorials including JavaScript:
https://ojambo.com/contact

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