You'd need to iterate through them, but if you're exclusively using the id to retrieve them you could use this:
var TESTS = {
"1": {
id: 1,
name: 'Test 1',
},
"2": {
id: 2,
name: 'Test 2',
}
};
var theone = TESTS[someid];
That is, use an object and retrieve the elements using the ID property.

