Creating objects

            

    var emptyObject = {};

    var objectWithProperties={
    property1: "value1",
    property2: "value2",
    property3: "value3"
    };

    var complexObject = {
    stringProperty: "stringValue",
    numberProperty: 1,
    methodProperty: function(argument){
      return argument + 5;
      }
    };

    var outsideObject = {
    nestedObject:{
      ultraNestedObject: "value"
      }
    };
            
          

Accessing properties in objects

            
    return objectWithProperties.property1;
    //=>"value1"

    return objectWithProperties["property1"];
    //=>"value1"

    return objectWithProperties["prop" + "erty1"];
    //=>"value1"

    return outsideObject["nestedObject"]["ultraNestedObject"];
    //=>"value"

    return outsideObject.nestedObject;
    //=>ultraNestedObject: "value"

    complexObject.methodProperty(2);
    //=>7

            
          

Changing properties in objects

            
    console.log(objectWithProperties.property1);
    //"value1"

    objectWithProperties.property1 = "new property value";

    console.log(objectWithProperties.property1);
    //"new property value"
            
          

Adding and deleting properties in objects

            
    console.log(emptyObject);
    //{}

    emptyObject.property1 = "I'm new!";

    emptyObject["property2"] = "Me too!";

    emptyObject.method = function(){
      return "I'm a function in an object, so I'm a new method.";
    }

    console.log(emptyObject);
    //{property1: "I'm new!",
      property2: "Me too!",
      method: function(){
          return "I'm a new function in an object, so I'm a new method."
        }
      }

    delete emptyObject.method();

    console.log(emptyObject);
    //{property1: "I'm new!",
        property2: "Me too!"
      }