---------is required for input, valid usernames/emails/phone numbers/etc. Sol:

Related MCQs

• --------is about writing procedures or functions that perform operations on the data. Sol:
• while--------is about creating objects that contain both data and functions. Sol:
• A class is defined by using the---keyword, followed by the name of the class and a pair of curly braces ({}). All its properties and methods go inside the braces Sol:
• ----are nothing without objects! We can create multiple objects from a class Sol:
• -----of a class is created using the new keyword Sol:
• The-----keyword refers to the current object, and is only available inside methods Sol:
• Objects of a class is created using the-----keyword Sol:
• You can use the----keyword to check if an object belongs to a specific class Sol:
• A-----allows you to initialize an object's properties upon creation of the object Sol:
• that the construct function starts with two underscores------- Sol: