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Hands-on JavaScript for Python Developers

You're reading from   Hands-on JavaScript for Python Developers Leverage your Python knowledge to quickly learn JavaScript and advance your web development career

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Product type Paperback
Published in Sep 2020
Publisher Packt
ISBN-13 9781838648121
Length 410 pages
Edition 1st Edition
Languages
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Author (1):
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Sonyl Nagale Sonyl Nagale
Author Profile Icon Sonyl Nagale
Sonyl Nagale
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Table of Contents (26) Chapters Close

Preface 1. Section 1 - What is JavaScript? What is it not?
2. The Entrance of JavaScript into Mainstream Programming FREE CHAPTER 3. Can We Use JavaScript Server-Side? Sure! 4. Nitty-Gritty Grammar 5. Data and Your Friend, JSON 6. Section 2 - Using JavaScript on the Front-End
7. Hello World! and Beyond: Your First Application 8. The Document Object Model (DOM) 9. Events, Event-Driven Design, and APIs 10. Working with Frameworks and Libraries 11. Deciphering Error Messages and Performance Leaks 12. JavaScript, Ruler of the Frontend 13. Section 3 - The Back-End: Node.js vs. Python
14. What Is Node.js? 15. Node.js versus Python 16. Using Express 17. React with Django 18. Combining Node.js with the Frontend 19. Enter Webpack 20. Section 4 - Communicating with Databases
21. Security and Keys 22. Node.js and MongoDB 23. Putting It All Together 24. Assessments 25. Other Books You May Enjoy

Manipulations

When working with the DOM via JavaScript, we can not only read but manipulate these properties. Let's get some practice in manipulating properties by making a small program: a sticky note creator.

Sticky note creator

We're going to make a sticky note creator that takes a color and a message and adds that colored box to the DOM with an ordinal number. Here's what our final product might look like:

Figure 6.9 Final product

Take a look at the starter code: https://github.com/PacktPublishing/Hands-on-JavaScript-for-Python-Developers/tree/master/chapter-6/stickies/starter-code.

Your goal is to recreate this functionality. Here are two methods we haven't yet covered for you to research:

  • document.createElement()
  • container.appendChild()

Solution code

How did you do? Let's take a look at the solution code:

const container = document.querySelector('.container') // set .container to a variable so we don't need to find it every time we click...
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