How to find an appropriate object in array by one of its properties

Question

Say, I have that simple array of objects.

var x = [
            {
                id:      1001
                name:    \"Jim\",
                surname: \"         


        

Answer 1

A simple loop will suffice:

for(var i=0, len=x.length; i < len; i++){
    if( x[i].id === 1002){
        //do something with x[i]
    }
}

Even though you are dealing with json remember that it's all just a hierarchy of arrays, objects and primitives.