I have a JSON object imported from a JSON file (with resolveJsonModule: true). The object looks like this: "myobject": { "prop1": "foo", "prop2": "bar" } and it's type therefore looks like thi...

How do I check if an object property in JavaScript is undefined?

Let's assume I have an entity class Foo which contains some fields, getters, setters and constructor. For example: public class Foo { private Integer a = 0; private Integer b = 0; public Foo() { ...

Let's say we have two classes named People and Disease. These classes are related by the Object Property has. :People :has :Disease People has subclass (or individual) John, and Disease has sub...

Possible Duplicate: How do I test for an empty Javascript object from JSON? Is there an easy way to check if an object has no properties, in Javascript? Or in other words, an easy way...