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JavaScript Notes
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js_notes.md

Javascript notes

JS is ...

  • Interpreted, not compiled
  • Case-sensitve
  • Whitespace insensitive except within quotes

Placement

  • If script is placed in the head, script executes before page is loaded.
  • If script is place in the body, page will load before script is executed.
  • Generally, script should be placed at the bottom of the body.
  • Avoid inline JS, place in separate .js files.
  • Scripts called w/ <script src="my_script.js" type="text/javascript">
  • 'type' required for validating HTML 4 Strict and XHTML, optional in HTML5.
  • 'type' can be considered optional and safely omitted from script tag.
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nifl commented Nov 9, 2012

Google JavaScript Style Guide

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