js根据key值排序
const unordered = {
'1': 'foo',
'2': 'bar',
'5': 'br',
'13': 'ar',
'111': 'baz'
};
const ordered = {};
Object.keys(unordered).sort().forEach(function(key) {
ordered[key] = unordered[key];
});
console.log(JSON.stringify(ordered));
对象动态添加新属性:
//创建obj对象
var obj = new Object();
//为对象添加动态属性
obj.userName = "admin";
obj.passWord = "123456";
//输出
console.log(obj);