Secrets of the JavaScript Ninja

List of Figures

Chapter 1. Enter the ninja

Figure 1.1. JavaScript consists of a close relationship between objects, functions, and closures.

Figure 1.2. Analyzing the cost versus the benefit of supporting various desktop browsers indicates where we should put our effort.

Figure 1.3. The mobile landscape, where development costs are fairly even, comes down to usage statistics.

Chapter 2. Arming with testing and debugging

Figure 2.1. Logging lets us see the state of things in our code as it’s running.

Figure 2.2. Breakpoints allow us to halt execution at a specific line of code so we can take a gander at the state.

Figure 2.3. Stepping into a method lets us see the new state in which it executes.

Figure 2.4. A screenshot of the JS Bin website ...