枚舉javascript中的對象

Question

如何枚舉下面的對象？我不提前知道密鑰，可能更多

{ '10.193.105.1': 
    { location: '02123', 
    hostname: 'A0C2', 
    contact: 'root@localhost' }, 
    '10.199.107.1': 
    { location: '01164', 
    hostname: 'cp11', 
    contact: 'me' } } 

Answer 1

Object.keys爲您提供對象密鑰。鳥巢和循環

var obj = { 
 
    '10.193.105.1': { 
 
    location: '02123', 
 
    hostname: 'A0C2', 
 
    contact: 'root@localhost' 
 
    }, 
 
    '10.199.107.1': { 
 
    location: '01164', 
 
    hostname: 'cp11', 
 
    contact: 'me' 
 
    } 
 
}; 
 

 
Object.keys(obj).forEach(function(key) { //level one 
 
    var child = obj[key]; 
 
    console.group(key); 
 
    Object.keys(child).forEach(function (prop) { //level two 
 
     console.log(prop, ":", child[prop]); 
 
    }); 
 
    console.groupEnd(key); 
 
});