A Simple, Comprehensive Overview of Javascript

This isn’t a reference guide, programming tutorial or detailed overview. It’s a Javascript refresher, assuming you know another programming language and puts all the information in one place (just ctrl+f to find!). Javascript has nothing to do with Java, is dynamically typed and has C-like syntax.

Enabling Javascript

Include javascript inside HTML:

x = 3;

Reference external file:

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Math & Numbers

• Mental math shortcuts, adding 1-100
• Understanding exponents and the natural log
• Div, Curl, Flux, Gradient and other Vector Calculus topics

Programming & Web Development

• Site speedups with HTTP caching, gzip compression
• Understanding Rails, Web debugging, and Javascrtipt
• Swap bytes with XOR, byte order, unicode

Business, Writing & Communication