SOURCE

var obj1 = {"name":"小米","age":"17"};
var obj2 = {"name":"小 米","age":17};

differentJsonObj(obj1,obj2);

function differentJsonObj(json1,json2) {
  var var1 = "1";
	for(var key in json1){
		if(json1[key] == json2[key]){
			var1 = 2;
		}
	}
  if(var1 == "2"){
    console.log("相同");
  }else{
    console.log("不相同");
  }
}