javascript object properties witout functions code example

Example 1: javascript list class properties

function getClassProperties(instanceOfClass) {
  const proto = Object.getPrototypeOf(instanceOfClass);
  const names = Object.getOwnPropertyNames(proto);
  return names.filter(name => name != 'constructor');
}

Example 2: adding function to objects js

var myObj = {
	myFunc: function(param){
      //do stuff
    }
}