javascript - 如何遍历以对象为成员的纯JavaScript对象？(How to loop through a plain JavaScript object with the objects as members?)

Question

How can I loop through all members in a JavaScript object including values that are objects.

(如何遍历JavaScript对象中的所有成员，包括对象值。)

For example, how could I loop through this (accessing the "your_name" and "your_message" for each)?

(例如，如何循环浏览（分别访问“ your_name”和“ your_message”）？)

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

  ask by edt translate from so

Answer 1

for (var key in validation_messages) {
    // skip loop if the property is from prototype
    if (!validation_messages.hasOwnProperty(key)) continue;

    var obj = validation_messages[key];
    for (var prop in obj) {
        // skip loop if the property is from prototype
        if (!obj.hasOwnProperty(prop)) continue;

        // your code
        alert(prop + " = " + obj[prop]);
    }
}