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JavaScript tips for the ruby dev

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Writing JavaScript is like paying tax you can avoid it for a while, possibly even a long time, but eventually…

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Lessons learnt in past 11.999998 months

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I’ve been wrong a lot it’s not you, it’s me and my shitty code

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Tip Nº1 don’t use JavaScript

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Use CoffeeScript Much like yesterdays lunch CoffeeScript code is compiled out into JavaScript

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there are 
 alternatives Dart Typescript github.com/jashkenas/coffeescript/wiki/list-of-languages-that-compile-to-js

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Split your code into modules

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require.js
 common.js
 browserfy
 AMD Require

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Name all the things

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Avoid inline everything inline scripts in dom

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Comment your code

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JavaScript conventions camelCase _private callback [error, result]

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Linters opinionated jerks

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JSHint actively developed JSLint the original or have style guides github.com/airbnb/javascript

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Testing it’s still jumping through hoops

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I use… karma expect mocha it gives your tests a rspec flavour

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The rails way

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It’s ok if you don’t love JavaScript

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Tips for talking to JavaScript people; not an actual javascript person

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@mrdougal dougal - sounds like “google”

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illustrations by @15mindrawings instagram.com/15mindrawings