August 2022
Beginner
912 pages
19h 57m
English
Content preview from Coding All-in-One For Dummies, 2nd Edition
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Chapter 1
What Is JavaScript?
IN THIS CHAPTER
Getting to know JavaScript
Figuring out what JavaScript does
Understanding why you need JavaScript
“People understand me so poorly that they don’t even understand my complaint about them not understanding me.”
— SØREN KIERKEGAARD
JavaScript hasn’t always been as highly regarded as it is today. Some people have called it the best and worst programming language in the world. Over the last few years, there have been a great number of improvements made to the way programmers write JavaScript and to JavaScript interpreters. These improvements have made JavaScript a much better language today than it’s been in the past.
In this chapter, you discover what JavaScript is and a little bit of the history of the language. You also find out what JavaScript does and why you need to know it.
What Is JavaScript?
Back in the very early days of the web, browsers were simple readers for web pages (see Figure 1-1). They had virtually no capabilities themselves, except for the ability to display text in various sized fonts. As soon as Microsoft released its Internet Explorer browser, the browser wars were on, and the features started flying! One browser ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.