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Sams Teach Yourself Windows® 8 Apps with JavaScript and HTML5 in 24 Hours by Chad Carter

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Hour 7. Debugging, Securing, and Measuring Our App’s Performance

What You’ll Learn This Hour:

• How to debug an app

• How to use JSLint

• How to turn on JavaScript exceptions in Visual Studio

• How to break on JavaScript exceptions

• How to use the JavaScript console

• How to debug JavaScript promises

• How to pass information securely between local and web context

• How to scrub all input

• How to store data securely using the PasswordVault

• How to measure performance of apps with the Visual Studio profiling tools for JavaScript

• Performance tips when writing JavaScript

This is the last hour of Part I, “Building the Foundation.” We have spent a lot of time working on the foundation of what makes a Windows Store app. Microsoft’s slogan during ...

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