In Underscore how to use each on a nested json object

Question

I have a json object

user = { name: "somename", personal : { age:"19",color:"dark"}}
_.each(user,function(value){ if(isNaN(value){console.log(value)} )

How to get to the nested object value.

You have a JavaScript object, not JSON. If you know that's your object structure, you'd just do user.personal.age — I Hate Lazy
– I Hate Lazy, Commented Oct 16, 2012 at 5:21
possible duplicate of I have a nested data structure / JSON, how can access a specific value? — Felix Kling
– Felix Kling, Commented Oct 16, 2012 at 5:24
I would like to keep it generalized..as well as I would like to know if in underscore if it is possible to loop through at the nested level — coool
– coool, Commented Oct 16, 2012 at 5:24
The documentation also explains which arguments are passed to the callback: underscorejs.org/#each. — Felix Kling
– Felix Kling, Commented Oct 16, 2012 at 5:25
function deep(obj) { _.each(obj, function(item) { if (item && typeof item === "object") deep(item); else console.log(item); }); } — I Hate Lazy
– I Hate Lazy, Commented Oct 16, 2012 at 5:27

SMathew · Accepted Answer · 2012-10-16 05:32:01Z

1

Something like this will work. If you expect even more deeply nested objects, then create a recursive function. _.isObject(val) is the key here.

_.each( {name: "somename", personal : { age:"19",color:"dark"}}, function(val) {
    if (_.isObject(val)) {
       _.each(val, function(v) {
            console.log(v)
       }) 
    }
})

answered Oct 16, 2012 at 5:32

SMathew

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