Bagaimanakah Saya Mengulang Melalui Objek Bersarang dalam JavaScript?

for (var key in object) {
    // Loop through the object's key-value pairs
}

var validation_messages = {
    "key_1": {
        "your_name": "jimmy",
        "your_message": "hello world"
    },
    "key_2": {
        "your_name": "billy",
        "your_message": "foo equals bar"
    }
};

for (var key in validation_messages) {
    // Output: "jimmy" and "billy"
    console.log(validation_messages[key].your_name);
    
    // Output: "hello world" and "foo equals bar"
    console.log(validation_messages[key].your_message);
}

for (var key in object) {
    if (!object.hasOwnProperty(key)) continue; // Skip prototype properties

    var subObject = object[key];
    for (var subKey in subObject) {
        // Loop through the sub-object's key-value pairs
    }
}

for (var key in validation_messages) {
    // If property exists in this object
    if (!validation_messages.hasOwnProperty(key)) continue;
    
    var subObject = validation_messages[key];
    
    for (var subKey in subObject) {
        // If property exists in this sub-object
        if (!subObject.hasOwnProperty(subKey)) continue;
        
        // Output: "jimmy" and "billy"
        console.log(validation_messages[key].your_name);
        
        // Output: "hello world" and "foo equals bar"
        console.log(validation_messages[key].your_message);
    }
}