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  1. Create Interactive Charts Using Plotly.js, Part 5: Pie and Gauge Charts

    If you have been following this series from the beginning, you might have noticed that Plotly.js uses the same scatter type for creating both line charts and bubble charts. The only difference is that we had to set the mode to lines while creating line charts and markers when creating bubble charts. Similarly, Plotly.js allows you to create pie, donut and gauge charts by using the same…

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    1. Create Interactive Charts Using Plotly.js, Part 4: Bubble and Dot Charts

      So far in the series, you have learned how to create line charts and bar charts in Plotly.js. As I mentioned in the introductory tutorial of the series, Plotly.js is not limited to just a few chart types. There are more than 20 different kinds of charts that you can create using the library. Each of these chart types has its own set of customization options as well as attributes that are…

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    1. Create Interactive Charts Using Plotly.js, Part 3: Bar Charts

      In our last tutorial, you learned how to create line charts in Plotly.js. Every aspect of line charts, like the data to be plotted and the shape or color of the line connecting the plotted points, can be controlled using a set of attributes. Plotly.js allows you to create bar charts in a similar manner. In this tutorial, you will learn how to create different kinds of bar charts using…

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    1. Create Interactive Charts Using Plotly.js, Part 2: Line Charts

      In the Getting Started With Plotly.js tutorial of this series, you were presented with a quick start guide that briefly covered all the features, bundles and chart types available in the library. If you have not already read that tutorial, I would suggest that you go over it at least once to get a broad idea of the Plotly.js library.In this tutorial, you will learn how to create line…

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    1. Create Interactive Charts Using Plotly.js, Part 1: Getting Started

      In the series titled Getting Started With Chart.js, you learned how to use Chart.js to easily create responsive canvas-based charts. The series covered seven basic chart types offered by the library. However, you may be required to create more complex charts with additional functionality to make those charts interactive. One of the best free-to-use libraries to create a variety of…

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    1. Build a To-Do API With Node, Express, and MongoDB

      API stands for Application Programming Interface. APIs allow the creation of an application to access features of an application or service. Building APIs with Node is very easy. Yes, you heard me right!In this tutorial, you will be building a To-Do API. After you are done here, you can go ahead to build a front end that consumes the API, or you could even make a mobile application.…

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    1. Getting Started With End-to-End Testing in Angular Using Protractor

      What You'll Be CreatingProtractor is a popular end-to-end test framework that lets you test your Angular application on a real browser simulating the browser interactions just the way that a real user would interact with it. End-to-end tests are designed to ensure that the application behaves as expected from a user's perspective. Moreover, the tests are not concerned about the actual…

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    1. Object-Oriented Programming With JavaScript

      What You'll Be CreatingAre you familiar with the term "spaghetti code"? This is a metaphor you might hear from non-JavaScript developers in criticism of the language. It is code with no structure. It will consist of line after line of statements. Some may be wrapped in functions, some not at all. And if you are lucky, all 9,000 lines of code will be in one file. This "spaghetti"…

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