Style Guide

Maintain your JSDoc comments. These are important for future maintainers. JSDocis a tool that parses inline documentation in JavaScript source files, and produces HTML documentation of the JavaScript code. JSDoc is similar to the java based javadoc tool.
Use 2 space indents without tab chars. You may need to change the settings on your editor.
1. For vi or vim, update .vimrc with the following:
  .vimrc
```
set expandtab
set shiftwidth=2
```
  3. Use the correct for-loops. When looping through an object or a hash map, you have to use
```
for (var key in object) {
   // do something with object[key]
} 
```
  When looping through an array (i.e. something with a length and only numeric keys), you have to use
```
for (var i=0; i<array.length; i++) {
  // do something with array[i]
} 
```
  Failure to do so will cause trouble when using JS frameworks that override the Array object.

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