Key value pairs using JSON

Question

Is there a way to handle data structures using JSON object in a way of Key  Value pairs  If so can some one elaborate how to access associated value object from the key        Assume that I have something like this    KEY1    VALUE OBJECT1 -  NAME   XXXXXX   VALUE 100 0    KEY2    VALUE OBJECT2 -  NAME   YYYYYYY   VALUE 200 0    KEY3    VALUE OBJECT3 -  NAME   ZZZZZZZ   VALUE 500 0

User · Answer

JSON    JavaScript Object Notation   is a lightweight and fast mechanism to convert Javascript objects into a string and vice versa   Since Javascripts objects consists of key value pairs its very easy to use and access JSON that way   So if we have an object   var myObj         foo     bar       base    ball       deep            java    script             We can convert that into a string by calling window JSON stringify myObj   with the result of    foo   bar   base   ball   deep    java   script       The other way around  we would call window JSON parse  a json string like the above      JSON parse   returns a javascript object array on success   alert myObj deep java        script    window JSON is not natively available in all browser  Some  older  browser need a little javascript plugin which offers the above mentioned functionality  Check http   www json org for further information

User · Answer

var object         key1             name    xxxxxx           value    100 0             key2             name    yyyyyyy           value    200 0             key3             name    zzzzzz           value    500 0             If thats how your object looks and you want to loop each name and value then I would try and do something like     each object function key innerjson                  key would be key1 key2 key3         innerjson would be the name and value                  Alerts and logging of the variable      console log innerjson     should show you the value         alert innerjson name     Should say xxxxxx yyyyyy zzzzzzz

User · Answer

I see what you are trying to ask and I think this is the simplest answer to what you are looking for  given you might not know how many key pairs your are being sent   Simple Key Pair JSON structure  var data          XXXXXX     100 0        YYYYYYY     200 0        ZZZZZZZ     500 0       Usage JavaScript code to access the key pairs  for  var key in data       if   data hasOwnProperty key         continue         console log key     - gt       data key           Console output should look like this  XXXXXX - gt  100 0  YYYYYYY - gt  200 0  ZZZZZZZ - gt  500 0   Here is a JSFiddle to show how it works

User · Answer

A  JSON object  is actually an oxymoron  JSON is a text format describing an object  not an actual object  so data can either be in the form of JSON  or deserialised into an object   The JSON for that would look like this     KEY1    NAME   XXXXXX   VALUE  100   KEY2    NAME   YYYYYYY   VALUE  200   KEY3    NAME   ZZZZZZZ   VALUE  500     Once you have parsed the JSON into a Javascript object  called data in the code below   you can for example access the object for KEY2 and it s properties like this   var obj   data KEY2  alert obj NAME   alert obj VALUE     If you have the key as a string  you can use index notation   var key    KEY3   var obj   data key

[javascript] Key value pairs using JSON

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