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Part II: Learning JavaScript Basics > Using Strings and Arrays

Hour 6. Using Strings and Arrays

In Hour 5, “Using Variables and Functions,” you used variables to store and work with numbers. Although you can do quite a bit with numbers, some of the most useful applications of JavaScript involve the use of strings (text) and arrays (groups of numbers, strings, or objects).

In Hour 6, you will learn to use strings and arrays in JavaScript. You will cover the following topics:

  • How strings are stored in String objects

  • Creating and using String objects

  • Calculating the length of a string

  • Working with parts of strings

  • Finding a string within a larger string

  • How arrays are stored in Array objects

  • Creating and using arrays

  • Working with string arrays

  • Using strings to create scrolling messages


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