In this video, we're going to talk about variables and how to make them. …So here we are in the Chrome Web Inspector. …I'm going to switch the console, which is an interactive environment for working …with Java script, and I'm going to drag the divider, way over here. …So basically, the entire window is taken up by this console. …Now, a variable, as you may have heard in math class, is a place to keep things …that are unknown. That's one way of looking at it. …Another way of looking at it is to tell a computer a name of something.…
Remember that, as a programmer, you're in charge. …And the computer is going to do what you tell it to do. …Nothing more, nothing less. You should assume that the computer …basically doesn't know anything unless you tell it something. …So, variables are an important part of how we accomplish this. …And in the course of programming we're dealing with a lot of unknowns, at least …we're dealing with a lot of things that are unknown when we start. …And then we use variables to accumulate the knowledge that we need as we're …
- Enabling Firebug and web inspectors
- Using a text editor
- Declaring and assigning a variable
- Booleans and the quest for truth
- Working with objects and arrays
- Using operators and control structures
- Iterating with loops
- Objects, references, and functions
- Understanding variable scope
Skill Level Beginner
Q: In "How to enable Firebug and web inspectors," at the Chrome Canary part, the author mentions going to the View menu, and then Developer. My Canary has no menu bar. The author uses a Mac, whereas I have Windows. How do I get to the same place?
A: Click the menu button at the top right of Chrome, select More Tools, and then choose Developer Tools.
1. Getting Started
Our friend, the text editor3m 35s
2. Variables and Types
3. Objects, Arrays, and More
4. Operators and Control Structures
5. Iterating with Loops
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