polymer tutorial, will help to ensure knowledge about it.

polymer-tutorial-master
.......................\.bowerrc
.......................\.gitignore
.......................\README.md
.......................\api
.......................\...\posts.json
.......................\bower.json
.......................\components
.......................\..........\core-ajax
.......................\..........\.........\.bower.json
.......................\..........\.........\README.md
.......................\..........\.........\bower.json
.......................\..........\.........\core-ajax.html
.......................\..........\.........\core-xhr.html
.......................\..........\.........\demo-progress.html
.......................\..........\.........\demo.html
.......................\..........\.........\index.html
.......................\..........\.........\metadata.html
.......................\..........\.........\test
.......................\..........\.........\....\core-ajax-progress.html
.......................\..........\.........\....\core-ajax-race.html
.......................\..........\.........\....\core-ajax.html
.......................\..........\.........\....\index.html
.......................\..........\core-component-page
.......................\..........\...................\.bower.json
.......................\..........\...................\README.md
.......................\..........\...................\bowager-logo.png
.......................\..........\...................\bower.json
.......................\..........\...................\core-component-page.html
.......................\..........\...................\demo.html
.......................\..........\...................\index.html
.......................\..........\core-focusable
.......................\..........\..............\.bower.json
.......................\..........\..............\README.md
.......................\..........\..............\bower.json
.......................\..........\..............\core-focusable.html
.......................\..........\..............\core-focusable.js
.......................\..........\..............\demo.html
.......................\..........\..............\polymer-mixin.js
.......................\..........\core-header-panel
.......................\..........\.................\.bower.json
.......................\..........\.................\README.md
.......................\..........\.................\bower.json
.......................\..........\.................\core-header-panel.css
.......................\..........\.................\core-header-panel.html
.......................\..........\.................\demo.html
.......................\..........\.................\index.html
.......................\..........\.................\metadata.html
.......................\..........\core-icon-button
.......................\..........\................\.bower.json
.......................\..........\................\README.md
.......................\..........\................\bower.json
.......................\..........\................\core-icon-button.css
.......................\..........\................\core-icon-button.html
.......................\..........\................\demo.html
.......................\..........\................\index.html
.......................\..........\................\metadata.html
.......................\..........\core-icon
.......................\..........\.........\.bower.json
.......................\..........\.........\README.md
.......................\..........\.........\bower.json
.......................\..........\.........\core-icon.css
.......................\..........\.........\core-icon.html
.......................\..........\.........\demo.html
.......................\..........\.........\index.html
.......................\..........\.........\metadata.html
.......................\..........\core-icons
.......................\..........\..........\.bower.json
.......................\..........\..........\README.md
.......................\..........\..........\av-icons.html
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