select DOM elements by any valid CSS selector

annotated.js

function(
  a,                         // take almost any selector keep it to CSS2.1 valid selector for IE8 support e.g "li,a,p,div:first-child"
  b                          // an optional context, you can pass the function itself as a context e.g. fn("li",fn("#id")[0]) make sure you tell it to look at the first array item
){
  return(                    // return an element or list, from within the scope of
    b                        // the passed context
    || document              // or document,
  ).querySelectorAll(        // qSA lets you pass any valid css selectors and returns a static node list
    a                        // pass in CSS selector.
  )
}

index.js

function(a,b){return(b||document).querySelectorAll(a)}

LICENSE.txt

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE>

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

  0. You just DO WHAT THE FUCK YOU WANT TO.

package.json

{
  "name": "cssSelect",

  "description": "select DOM elements by any valid CSS selector",

  "keywords": [
    "dom",
    "css",
    "id",
    "class",
    "tag"
  ]
}