get-nested

Get nested value from json path and optionally supply fallback value

flat

Take a nested Javascript object and flatten it, or unflatten an object with delimited keys

stringify-object

Stringify an object/array like JSON.stringify just without all the double-quotes

jquery-serializejson

jQuery or Zepto plugin to serialize a form into a JavaScript Object, using the same format as the default Ruby on Rails request params

jsesc

Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.