Archive for the JavaScript chart tutorials

Making a JS Candlestick Chart in Four Simple Steps March 25th, 2020 by Anastasia Zoumpliou

A JS Candlestick Chart on the screen of a laptopDo you have trading data, looking for a way to effectively visualize it for your website or app project? If so, a JS candlestick chart could be your best pick. This tutorial will break down the process needed to create such a chart into simple steps and provide a detailed explanation of the code. Keep reading even if you are new to programming, because only a basic understanding is needed to follow along and master such a JavaScript (HTML5) based data visualization technique.

Also called a Japanese candlestick chart, this chart type is one of the most popular forms of financial and stock data visualization. Each candlestick represents information about the open, high, low, and close price of the day. Candlestick charts are widely used in technical analysis of price movement patterns.

Complete this tutorial and you will be able to create a compelling interactive candlestick chart in JavaScript real quick, with ease.

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How to Create JavaScript Bubble Chart — Tutorial for Web Developers March 3rd, 2020 by Wayde Herman

Making a JS bubble chart is described step by step in this tutorial for web developersHave you ever wanted to create a bubble chart using JavaScript but did not know how? Then this tutorial is for you! Carry on reading to learn more about bubble charts and how we can build them quickly and painlessly.

Bubble charts are an extension of the scatter plot. Most commonly, they display three variables which are expressed as the horizontal distance of the point (x), the vertical distance of the point (y), and the size of the point (z). A bubble chart is a great visualization technique to let users compare data points. When designed well, it can be really eye-catching and engaging.

In this tutorial, I will teach you how to build your very own interactive JS bubble chart and bring it to life through customization. All examples will be available with the full code.

For this “getting started” guide, I have decided to explore the data of the top 30 grossing movies. Let’s look at the amount of money each movie has grossed, the budget, as well as the year of release. A bubble chart is a particularly good choice for the visualization of this dataset as it will allow us to easily compare these three numeric variables in an interesting and beautiful way.

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Creating Heat Map Chart Using JavaScript February 26th, 2020 by Anastasia Zoumpliou

Creating Heat Map Chart Using JavaScript, a tutorial for web developers and data enthusiastsWant to learn how to quickly create an interactive heat map chart using JavaScript? This data visualization tutorial will guide you through the coding process step by step. Basic knowledge of HTML (HTML5) and some understanding of programming are more than enough to master this charting technique.

A heat map (or heatmap chart) is a two-dimensional, matrix-based data visualization in which colors represent values. It is often used to facilitate the analysis of complex data sets, revealing patterns in how variables change, correlate, and more.

Read this JS charting tutorial to the end and you will have no more problems with getting compelling heat maps up and running on your web sites and in your apps.

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Create Simple Gantt Chart Using JavaScript — Tutorial September 4th, 2019 by Alfrick Opidi

Create Simple Gantt Chart Using JavaScript — Tutorial

Use a JavaScript library to create a Gantt chart and take your project management efforts to the next level.

Earlier this year, my team was looking for a project management tool that could assist us in charting the various tasks related to our app development project against some specific timelines. After doing some research, we finally settled on Gantt charts. However, some people think Gantts are complicated to create. Not true! Thanks to numerous JavaScript chart libraries, data visualization is now simple, flexible, and embeddable.

In our situation, we settled on AnyChart’s JS Charts library because of its ease of use, extensive documentation, flexible code playground for trying out stuff, and other powerful features.

In this tutorial, I’ll walk you through how to create a simple interactive Gantt chart using this data visualization library. Here’s what we’ll be making and you can get the entire code for creating such a Gantt chart at the end of the tutorial:

Gantt chart created along this JavaScript charting tutorial

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Creating Treemap Chart Using JavaScript August 1st, 2019 by Douglas "Bugggster" Baxter

Creating Treemap Chart Using JavaScript, a tutorial for web developers and data enthusiastsTreemap is a popular chart type for hierarchical data visualization. I’ll show you how to create a cool interactive treemap chart using JavaScript in four simple steps right now. Join me on this quick tutorial for front-end web developers and data viz enthusiasts to understand the core principles of the process. Basically, I am sure everyone at least a little familiar with coding in HTML5 will love the presented, easy way to make beautiful JavaScript treemap charts that are perfectly suitable to be embedded into any web page or app.

In honor of World Wide Web Day celebrated today, August 1, I will develop a JS treemap visualizing data about the number of worldwide internet users as of January 2019, by region, available on Statista.

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Create Cool Interactive Sankey Diagram Using JavaScript — Tutorial June 13th, 2019 by Alfrick Opidi

Create Cool Interactive Sankey Diagram Using JavaScript — TutorialSankey diagrams are becoming more and more popular in data visualization tasks. So, it’s essential for front-end web developers to know how to create charts of this type. Actually, it is quite a simple and straightforward process, especially if you are using one of the good JavaScript charting libraries.

In my tutorial, I’ll show you how to create beautiful, intuitive, interactive JS (HTML5) Sankey diagrams with no fuss.

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How to Create JavaScript Word Cloud Chart — Tutorial for Web Developers April 30th, 2019 by Irina Maximova

Tutorial on how to create a JavaScript word cloud chart and customize it, for front-end web developers
Wondering how to make a beautiful interactive Word Cloud using JS? Then you’re in the right place! In this data visualization tutorial, I’ll guide you through the entire development process, demonstrating it’s easier to create a JavaScript word cloud chart for an HTML5 app or web page than you might think!

Also known as tag clouds, word clouds represent a popular visual technique designed to reveal how often tags (or basically, any words) are mentioned in a given text body. Essentially, the word cloud chart type leverages diverse colors and sizes to display at a glance different levels of relative prominence.

Now that we’ve got an idea of what a word cloud is, let’s get down to learning how to quickly code one using JavaScript!

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How to Create Stunning Interactive Bar Charts Using JavaScript — Tutorial April 3rd, 2019 by Alfrick Opidi

Tutorial on creating stunning interactive bar charts using JavaScriptWeb developer Alfrick Opidi shows how to create beautiful interactive bar charts using JavaScript (HTML5), taking the AnyChart JS charting library as an example along the tutorial.

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How to Create a Pie Chart with JavaScript December 6th, 2017 by Timothy Loginov

Bulding an interactive JavaScript pie chartHave you ever wondered, how web developers create and integrate interactive JavaScript pie charts into HTML5 apps and web pages? If the answer is yes – keep on reading! This article explains how to create, change and integrate a pie chart into your web page. Beware! A hot-button political issue is present in this article. But we will not offend anyone!

Pie chart is one of the most popular chart types. Mathematically speaking it looks like a circle divided into sectors which represent a part of a whole. For the most of us, pie charts look like real pies or pizzas cut into several slices. In this article, you will find a detailed tutorial on how to build one, with JS chart code samples.

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How to Create a JavaScript Area Chart October 28th, 2017 by Timothy Loginov

How to Create a JavaScript Area Chart and Customize ItWant to know how to build a JavaScript area chart? This article will show you how to do that and tell you who invented area charts in the late 18th century.

The area chart is one of the basic charts used to show changes in data over time. The key feature of this chart type is a colored area between the horizontal X-axis and the line marking the changing value. It can be filled with a color, gradient color, or with a hatch fill.

Look at the chart on the title image. That’s the data visualization being created along the tutorial. Such a JavaScript-based area chart will be interactive and good-looking in any browser, on any website and in any app in HTML5. All samples used in the article are available in our collection on CodePen.

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