Add object into property of another object dynamically

Question

I have an Object inside AJAX call and I'm not able to add new property to its property containing another object.

Here is my attempt:

$.post('/home/save.json', {obj:obj}, function(data) {
    var qu = {};
    qu["Id"] = "some value";
    qu["Type"] = "some value";
    qu["Name"] = "some value"
    qu["Variants"] = data["Variants"]
    if (data['Subvariant']) { 
        qu["Variants"]["Subvariant"] = data['Subvariant'] 
    }
    // ...
});

Are you sure that data["Variants"] is actually an object? What does the relevant part of your data (the JSON) look like? What you have will work as long as data["Variants"] is an object. — Felix Kling
– Felix Kling, Commented Oct 11, 2012 at 9:53

st3inn · Accepted Answer · 2012-10-11 10:19:54Z

1

You're missing some semicolons, and I would use dot notation

var qu = {};
qu.Id = "some value";
qu.Type = "some value";
qu.Name = "some value";
qu.Variants = data.Variants;
if (data.Subvariant !== undefined && data.Subvariant !== null) {
    qu.Variants.Subvariant = data.Subvariant;
}

Or are you maybe meaning to check data.Variants.Subvariantinstead of data.Subvariant?

edited Oct 11, 2012 at 10:19

answered Oct 11, 2012 at 10:08

st3inn

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1 Comment

Felix Kling Over a year ago

@Alega: There is no difference between dot and bracket notation. They are equivalent. It makes no sense that this code works but yours does not. You must have changed something else as well.

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