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The JavaScript Workshop

The JavaScript Workshop

By : Joseph Labrecque, Jahred Love , Daniel Rosenbaum , Nick Turner , Gaurav Mehla , Alonzo L. Hosford , Florian Sloot , Philip Kirkbride
4 (8)
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The JavaScript Workshop

The JavaScript Workshop

4 (8)
By: Joseph Labrecque, Jahred Love , Daniel Rosenbaum , Nick Turner , Gaurav Mehla , Alonzo L. Hosford , Florian Sloot , Philip Kirkbride

Overview of this book

If you're looking for a programming language to develop flexible and efficient apps, JavaScript is a great choice. However, while offering real benefits, the complexity of the entire JavaScript ecosystem can be overwhelming. This Workshop is a smarter way to learn JavaScript. It is specifically designed to cut through the noise and help build your JavaScript skills from scratch, while sparking your interest with engaging activities and clear explanations. Starting with explanations of JavaScript's fundamental programming concepts, this book will introduce the key tools, libraries and frameworks that programmers use in everyday development. You will then move on and see how to handle data, control the flow of information in an application, and create custom events. You'll explore the differences between client-side and server-side JavaScript, and expand your knowledge further by studying the different JavaScript development paradigms, including object-oriented and functional programming. By the end of this JavaScript book, you'll have the confidence and skills to tackle real-world JavaScript development problems that reflect the emerging requirements of the modern web.
Table of Contents (17 chapters)
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1. Getting to Know JavaScript

Activity 1.01: Creating an Alert Box Popup in the Web Browser

Solution

  1. Press F12 to open the developer tools that are integrated within it. If this doesn't work, a right-click may expose a prompt so that you can do this as well:

    Figure 1.18: Choosing Inspect in Google Chrome

  2. The developer tools may default to the console. If not, there is likely to be a Console tab you can click on to activate it. The console allows you to write JavaScript code directly within the web browser itself:

    Figure 1.19: The Developer Tools Console tab in Google Chrome

  3. Within the console, write the following command:
    var greeting = 'Hello from JavaScript!';
    alert(greeting);
  4. Hit Return/Enter to execute the code. The code will execute within the browser environment.

    You should see an alert appear in the browser viewport displaying your message, as shown here:

Figure 1.20: An alert appears with our message

What does...

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The JavaScript Workshop
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