javascript - Extract a Json from a bigger JSON in node.js -

i have json object in form :

[ {     "id": "458712e247328e4ebfafeb4d922b",     "value": [         1     ],     "location": null,     "metadata": null,     "at": "2015-07-16t16:33:39.113z" }, {     "id": "1ghj78d8220734c00ab941f91b14e334b",     "value": [         100     ],     "location": null,     "metadata": null,     "at": "2015-07-16t16:33:26.819z" } ] 

i want extract "value" (which equals 100 here ) first 1 (and one). how can in node.js?

or obliged convert json string , manipulate it? (with substring example).

thank you

convert json normal javascript object , can use dot notation manipulate our json , again convert resulting javascript object json.

var jsonobj = [ {     "id": "458712e247328e4ebfafeb4d922b",     "value": [         1     ],     "location": null,     "metadata": null,     "at": "2015-07-16t16:33:39.113z" }, {     "id": "1ghj78d8220734c00ab941f91b14e334b",     "value": [         100     ],     "location": null,     "metadata": null,     "at": "2015-07-16t16:33:26.819z" } ]; var jsobj = json.parse(jsonobj);  var resuljsonobj = json.stringify(jsobj[1].value); 

in case need value :

var value= jsobj[1].value;