how to iterate over inner objects / property in an object

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Recursion is your friend:

function iterate(obj) {
    for (var property in obj) {
        if (obj.hasOwnProperty(property)) {
            if (typeof obj[property] == "object")
                iterate(obj[property]);
            else
                console.log(property + "   " + obj[property]);
        }
    }
}

Note: don’t forget to declare property locally using var!

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