Valid JavaScript Data Types:

- Date
- Array
- String

1. Date:
The Date data type in JavaScript represents a specific point in time. It allows you to work with dates and times, including creating new dates, manipulating them, and formatting them. The Date object can be used to store and retrieve information about dates such as the year, month, day, hour, minute, second, and millisecond.

2. Array:
An array is a data structure in JavaScript that allows you to store multiple values in a single variable. It is a collection of elements, where each element can be accessed using an index. Arrays can contain values of different data types such as numbers, strings, objects, functions, etc. They provide various methods and properties to manipulate and access the elements stored within them.

3. String:
A string is a sequence of characters in JavaScript. It is used to represent textual data and is enclosed in single or double quotes. Strings can be created using string literals or by using the String object. They allow you to manipulate and perform operations on text data, such as concatenation, accessing individual characters, searching for substrings, and more.

Explanation:
The valid JavaScript data types mentioned in the options are Date, Array, and String. These are fundamental data types that are built into the JavaScript language and can be used to store and manipulate different types of data.

- The Date data type allows you to work with dates and times.
- The Array data type allows you to store multiple values in a single variable.
- The String data type allows you to work with text data.

All of these data types are widely used in JavaScript programming and are essential for performing various operations and tasks.