CHAPTER 1
JavaScript You Need to Know
jQuery is a framework that’s built on top of JavaScript, not a language in its own right. It is possible to write jQuery with barely any knowledge of JavaScript, but it’s not something I would recommend. If you want to be able to confidently write jQuery plug-ins for your site, or alter plug-ins others have written, you need to be familiar with basic JavaScript. This is why I’m starting with JavaScript that you need to know. This chapter will cover:
- JavaScript scripts on a web page
- Variables and objects in JavaScript
- JavaScript functions
- Conditionals
- Looping over arrays and objects
- Debugging JavaScript
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