oop - best way to manage code on javascript for re usability and future scalability -


i'm trying bring out oop javascript language. have few functions sends json data server. sendchanges function converts object json format , send server. code works fine, problem create type of functions lot , want find best manageable way of doing if change parameters names, should able point out in javascript quick , easy way. in below code "title", "phtotid", "username", "action", "parameters" need type safe both in server , javascript. 

var reloadew = function () {     _self.sendchanges({         "action": "reload",         "parameters": {}     }); };  var reloadallew = function () {     _self.sendchanges({         "action": "reloadall",         "parameters": {}     });  }; var reloadallchat = function () {     _self.sendchanges({         "action": "reloadchat",         "parameters": {}     });  }; var createew = function (param1, param2, param3) {     _self.sendchanges({         "action": "createew",         "parameters": {             "title": param1,             "phtotid": param2,             "username": param3         }     }, "definition"); }; var joinew = function (param1, param2) {     _self.sendchanges({         "action": "joinew",         "parameters": {             "phtotid": param1,             "username": param2         }     }, "definition"); };


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