javascript - Lower casing the keys in JSON - Node JS -


i want change json array keys names upper case letters lower case keys following 

[     {         "_id": "581f2749fb9b6f22308f5063",         "workshopid": "1",         "workshoptitle": "workshop1",         "workshopprice": "200",         "workshopdescription": "workshop1 test workshop",         "floornumber": "1",         "roomnumber": "205",         "workshoplanguage": "english language",         "lastonlineregistrationdate": "15/10/2016",         "workshopdate": "1/11/2016",         "workshopstarttime": "8:00 am",         "workshopendtime": "11:00 am",         "workshoprules": "rules mentioned here",         "workshopcapacity": "200",         "speaker": {             "speakername": "john doe",             "aboutspeaker": "about speaker"         }     },     {         "_id": "581f27e796915434f44cd678",         "workshopid": "2",         "workshoptitle": "workshop2",         "workshopprice": "200",         "workshopdescription": "workshop2 test workshop",         "floornumber": "1",         "roomnumber": "205",         "workshoplanguage": "english language",         "lastonlineregistrationdate": "15/10/2016",         "workshopdate": "1/11/2016",         "workshopstarttime": "11:00 am",         "workshopendtime": "02:00 pm",         "workshoprules": "rules mentioned here",         "workshopcapacity": "200",         "speaker": {             "speakername": "jane doe",             "aboutspeaker": "jane doe - speaker"         }     } ]

for example workshopid must changed workshopid, have function in node js query collection in mongodb , return json : 

getworkshops: function (db, response) {                 db.collection('workshops').find().toarray(function (err, results) {                     var convertedarr = [];                     //convert json.                     response.send(json.stringify(convertedarr));         });

any help?

this map object's keys lowercase:

var uppercased = [     { id: 1, name: 'fred' },   { id: 2, name: 'sarah' },     { id: 3, name: 'joe' }, ];   var lowercased = uppercased.map(function(item) {   var mapped = {};   (var key in item) {     mapped[key.tolowercase()] = item[key];   }    return mapped; });

https://jsfiddle.net/5ouebw4b/2/


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