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.