Combining JavaScript Arrays

Question

I would like to take a JavaScript object that is formatted like:

results = {
   names: [
        "id",
        "first_name"
        ],
    values: [
        [
            1234,
            "Fred"
        ],
        [
            4321,
            "Joe"
        ],
        [
            1123,
            "Mary"
        ]
    ]
}

and turn into this:

    results = {
        [id: 1234, name: "Fred"],
        [id: 4321, name: "Joe"],
        [id: 1123, name: "Mary"]
    }

I tried doing something like this, but I can't get the structure correct:

var data = []
for (i=0; i < results['values'].length; i++ ){
    var innerData = []
    for (b=0; b < results['names'].length; b++ ){
        innerData.push([name:results['names'][b], value: results['values'][i][b]])
    }
    data.push(innerData)
}
console.log(data)

Quentin · Accepted Answer · 2013-11-04 08:31:46Z

2

Problem 1:

results = {
    [id: 1234, name: "Fred"],
    [id: 4321, name: "Joe"],
    [id: 1123, name: "Mary"]
}

and

var data = []

and

[name:results['names'][b]…

An array [] consists a set of values in order.

An object {} consists of a set of key:value pairs.

You are using the wrong one each time. Use {} where you have [] and vice versa

Problem 2:

You say you want objects with id and name keys, but you are trying to create name and value keys. Use the property names you actually want.

answered Nov 4, 2013 at 8:31

Quentin

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Comments

jazZRo · Accepted Answer · 2013-11-04 08:47:24Z

0

Try this:

var data = [];
for (i in results['values']){
    var innerData = {}
    var value = results['values'][i];
    for (b in value){
        var key = results['names'][b];
        innerData[key] = value[b]; 
    }
    data.push(innerData);
}
console.log(data);

answered Nov 4, 2013 at 8:47

jazZRo

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