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PolymerJS: Getting setup

To download Polymer, its dependencies and such, use bower, then, in a new directory, type in the command line bower init. (You can press enter -- except for the name -- at all the prompts if you want.)

$ bower init ? 
name: somename ? 
version: 0.0.0 
... ? 
Looks good? Yes

Next run bower install --save Polymer/polymer#^1.2.0 which will pull the latest Polymer 1.2 minor version, its dependencies, and place them all in a directory called bower_components.

Now let's create an index.html.

<html> 
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <script src="bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
    <link rel="import" href="bower_components/polymer/polymer.html">
  </head>
  <body> 
    This does nothing at the moment, except pull in webcomponents and polymer. 
  </body> 
</html>

And we are, at least, setup, if not actually using polymer as yet.

polymer polymer-setup

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