如何从对象获取属性

Question

I am trying to handle a callback data from ajax and having a problem looping the data.

I have

data.prototype.handleReturnData = function(data) {

}

data is an object which contains 4 objects. Each object has a test and test2 property.

How do I get those properties?

Thanks a lot!

Answer 1

尝试使用data[0]['test']访问您的值。

Answer 2

I would suggest:

Object.getOwnPropertyNames(yourobject);

This will get all the property names which you can then use to cycle through or pick your property.

Answer 3

You can use a for-in loop:

for (var prop in data) {
    if( data.hasOwnProperty(prop)) {
        // 'prop' refers to the property name
        // do something with data[prop] or data[prop].test
    }
}

The purpose of the hasOwnProperty check is to exclude inherited properties, which you probably aren't interested in. Some documentation here: https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Statements/for...in

Answer 4

Try this:

for (var i = 0; i < data.length; i++) {
    alert(data[i].test);
    alert(data[i].test2);
}