Add basic style

docs/README.md

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+# Table of contents
+
+* [JS MythBusters](/README.md)
+* [Array]
+	* [Reallocation](/array/reallocation.md)
+	* [Array.pop() better than Array.shift()]
+	* [All you need to know about arguments]
+* [Date]
+	* [Create timestamps with Date.now()]
+* [Error]
+	* [Avoid try/catch]
+* [Function]
+	* [Make Your Constructors new-Agnostic]
+	* [Avoid .bind, is slower]
+* [RegexEp]
+	* [Use RegExp in cases with sense]
+	* [Focus RegExp on failing faster]
+	* [Use the correct RegExp method]
+* [String]
+	* [Instead of String.concat, use '+=']

docs/assets/js/main.js

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+function ready (fn) {
+  if (document.readyState === 'complete') {
+    return fn()
+  } else if (document.addEventListener) {
+    document.addEventListener('DOMContentLoaded', fn)
+  } else {
+    document.attachEvent('onreadystatechange', function () {
+      if (document.readyState === 'interactive') fn()
+    })
+  }
+}
+
+function addClass (el, className) {
+  if (el.classList) el.classList.add(className)
+  else el.className += ' ' + className
+}
+
+ready(function () {
+  addClass(document.body, 'hack')
+  addClass(document.body, 'dark')
+})