Javascript get array key from value

This is an example function that can search for a key in a javascript array and return it...

function check(v)
{
    var x = new Array();
    x = { a: '1', b: '2', c: '3' };


    for(var key in x)
    {
        if(x[key] == v)
        console.log(key);
    }
}

Test:

check(2);   // b

Comments

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