Gain insights into D3.js fundamentals, explore DOM manipulation, data binding, and SVG. Learn about creating maps, graphs, and network visualizations to master data-driven documentation.

Introduction to Visualization Using D3.js.png

In this course, you will learn the fundamentals of D3.js (stands for Data-Driven Documents), which is a JavaScript library mainly used for visualization.

In the first half of the course, you will cover DOM (Document Object Model) manipulation, method chaining, data binding, and data loading.

In the second half, you’ll cover visualization concepts and dive deep into SVG which is used to draw different geometrical shapes. After that, you’ll work with various maps and graphs in order to display your data. Lastly, you’ll learn about network visualization with the help of nodes and links.

By the end of this course, you will have a new, powerful data visualization library at your disposal.

Introduction to Visualization Using D3.js

## Pre-requisites
Welcome aboard! Before starting this course on D3.js, a powerful library for data visualization, you need to understand some basic web technologies. This course has the following prerequisites:
* HTML
* CSS
* JavaScript







Let's take a small quiz
to help you gauge your knowledge of HTML, CSS, and JavaScript. 
   

```
<script type="text/javascript"> 
var1 = 10 + "3"; 
document.write(var1); 
</script>
```
What will be rendered with the following code?

<pre><code>&lt;script type=&quot;text/javascript&quot;&gt; 
var1 = 10 + &quot;3&quot;; 
document.write(var1); 
&lt;/script&gt;
</code></pre>
What will be rendered with the following code?

What is the correct way to include an external JavaScript file in an HTML page?

What is the correct way to include an external JavaScript file in an HTML page?

How will you print "hello world" on the console in JavaScript?

How will you print “hello world” on the console in JavaScript?

Which Tag is used for the largest heading in HTML? 

Which Tag is used for the largest heading in HTML?

JavaScript is a case-sensitive language.

```
var cities = (1: "London", 2: "New York", 3: "Washington")
```

```
var cities = ("London","New York","Washington")
```

```
var cities = ["London","New York","Washington"]
```

How can we create an array in JavaScript?


How can we create an array in JavaScript?

How can we define the function myfunction() in JavaScript?

How can we define the function myfunction() in JavaScript?

To define a style for a unique element, which CSS selector should be used?

To define a style for a unique element, which CSS selector should be used?

The JavaScript code for a webpage is placed inside which HTML tag? 

The JavaScript code for a webpage is placed inside which HTML tag?

Which tag is used to define an unordered list in HTML?

Which tag is used to define an unordered list in HTML?



## Why study this course?
Why should you study D3.js? There are many advantages to studying D3.js compared to conventional data visualization tools. D3.js is a JavaScript library that focuses on data, and it is a comprehensive tool for data visualization. Visualizing data is essential, as the human brain quickly processes a massive amount of data in the form of graphs and charts. D3.js makes it easy to convey information to another person.


D3.js has several advantages over other conventional data visualization:

* D3.js works with existing web technologies, i.e., HTML, CSS, and JavaScript.
* D3.js is flexible.
* D3.js is fast and lightweight as it works directly in the browser.
* It allows code reusability.
* It works well with large datasets.
* It gives you complete control over visualization.
 




## Course learning outcomes
Let's take a look at the outcomes of this course. Upon the completion of this course, you should:
- Understand the fundamentals of D3
- Understand what SVGs are and how they work with D3
- Be able to draw scales, axes, labels, and margins to make some basic visualizations
- Learn how to draw different charts, networks, and treemaps based on data
- Add interactivity to visualization


# Pre-requisites
Welcome aboard! Before starting this course on D3.js, a powerful library for data visualization, you need to understand some basic web technologies. This course has the following prerequisites:
* HTML
* CSS
* JavaScript









# Why study this course?
Why should you study D3.js? There are many advantages to studying D3.js compared to conventional data visualization tools. D3.js is a JavaScript library that focuses on data, and it is a comprehensive tool for data visualization. Visualizing data is essential, as the human brain quickly processes a massive amount of data in the form of graphs and charts. D3.js makes it easy to convey information to another person.


D3.js has several advantages over other conventional data visualization:

* D3.js works with existing web technologies, i.e., HTML, CSS, and JavaScript.
* D3.js is flexible.
* D3.js is fast and lightweight as it works directly in the browser.
* It allows code reusability.
* It works well with large datasets.
* It gives you complete control over visualization.
 




# Course learning outcomes
Let's take a look at the outcomes of this course. Upon the completion of this course, you should:
- Understand the fundamentals of D3
- Understand what SVGs are and how they work with D3
- Be able to draw scales, axes, labels, and margins to make some basic visualizations
- Learn how to draw different charts, networks, and treemaps based on data
- Add interactivity to visualization


A brief introduction to the importance of this course and its prerequisites.

Introduction

D3.js Fundamentals

Scales

Drawing Basic Shapes

Chart Fundamentals

Network Visualization, Hierarchical Data, and Interactivity

Conclusion

Who should take this course, and why?

Pre-requisites

Why study this course?

Course learning outcomes