Map the Json Array values

Question

trying to map two Array Values. One Array Values are coming from the local Json file and other array values are coming from the service or backend.

Local JSON:

var localJsonArray = {
    "records": {
        "cat1": [{
            "id": 1234,
                "label": "a"
        }, {
            "id": 2345,
                "label": "b"

        }],
            "cat2": {

            "id": 12345,
                "label": "c"
        }
    }
}

Backend Array Values:

I am storing the value coming from backend as:

var backendArray =[0: "1234", 1: "3456", 2:"4567"];

JS:

$.each( localJsonArray, function( key, value ) {
                var index = $.inArray( value, backendArray );
                if( index != -1 ) {
                    console.log( index );
                }
            });

Now how do I map the id of local Json to the id of backend JSON. If value matches the loop should break else it should look for the value.

You can't create an array like that >>> 'var backendArray =[0: "1234", 1: "3456", 2:"4567"]'; — PabloWeb18
– PabloWeb18, Commented Jun 18, 2014 at 11:53

PabloWeb18 · Accepted Answer · 2014-06-18 12:21:03Z

You can't create a array like var backendArray =[0: "1234", 1: "3456", 2:"4567"];

So by the way ... follow the code above:

var localJsonArray = {
    "records": {
        "cat1": [{
            "id": 1234,
                "label": "a"
        }, {
            "id": 2345,
                "label": "b"

        }],
            "cat2": {

            "id": 12345,
                "label": "c"
        }
    }
};
var backendArray =["1234", "3456", "4567"];

$.each( localJsonArray['records'], function( a,b,c ) {
    if(!(b.length == undefined)){
        for(var i = 0;i < b.length; i++)
        {
            var index = $.inArray( b[i].id.toString(), backendArray );
            if( index != -1 ) {
                console.log( index );
            }
        }
    }
    else{
        var index = $.inArray( b.id.toString(), backendArray );
        if( index != -1 ) {
            console.log( index );
        }
    }
});

Hope this help!!! :)

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