comparison

Discover an easy way to determine if a Date object represents the current date and time. To determine if a JavaScript Date object instance represents the current date, you can compare the day, month, and year of the date to the current day, month, and year. This can be achieved using the getDate(), getMonth(), and getFullYear() methods of the Date object. The current date can be obtained by using new Date()....

In JavaScript, both null and undefined are primitive types with different meanings. It is crucial to understand the distinctions between them. undefined: When a variable is declared but not assigned any value, it is considered undefined. For example: let age; // age is undefined It is important to note that attempting to access a variable that has not been declared will result in a ReferenceError: <variable> is not defined error, which is different from undefined....