OBJMerge [js] Object merger. Install npm install kc-obj-merge Use var objMerge = require('kc-obj-merge'); var a = {a:1,b:2,c:3}; var b = {a:1,c:3}; var c = {a:1,b:4}; var d = objMerge(a,b,c); console.log(d);