The following lines of code create an object named myObject
without any specific properties or methods. This line checks the type of the variable (myObject
) and then prints the key-value pairs that define the object on the JavaScript console:
var myObject = {}; typeof(myObject); myObject
The preceding lines created an empty object. Therefore, the result of the last line shows Object {}
on the console. There are no properties or methods defined in the object. However, if we enter myObject.
(myObject
followed by a dot) in a JavaScript console with autocomplete features, we will see many properties and methods listed, as shown in the following screenshot. The object includes many built-in properties and methods:
The following lines of code create an object named myRectangle
with two key-value pairs enclosed within a pair of curly braces ({}
). A colon (:
) separates the key from the value and a comma (,
) separates the key-value pairs. The next line...