findByPropertyValue.js

function findByPropertyValue(object, propName, propValue) {
    if (object[propName] === propValue) {
        return object;
    }
    var result, property;
    for (property in object) {
        if (
            object.hasOwnProperty(property) &&
            typeof object[property] === "object" &&
            object[property] !== null
        ) {
            result = findByPropertyValue(object[property], propName, propValue);
            if (result) {
                return result;
            }
        }
    }
    return result;
}