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About this Course

This is an introductory course that is mainly intended for serious computer hobbyists, IT students, and IT professionals. The free online textbook for this course is Sams Teach Yourself JavaScript in 24 Hours, Third Edition. You should begin by reading the complete Introduction to the book.

offiste01.jpg (430 bytes) Indicates links that take you away from the Free-Ed.Net site. Use the links on these offsite pages carefully, and use the Back function on your browser to return to these assignments.

Helpful References

offiste01.jpg (430 bytes) Glossary

offiste01.jpg (430 bytes) JavaScript Quick Reference

DOM Quick Reference


Lesson 5. Using Strings and Arrays

In this lesson you will learn about:

  • Storing strings 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
  • Storing arrays Array objects
  • Creating and using arrays
  • Working with string arrays
  • Using strings to create scrolling messages

Reading Assignments

Read the following sections from your free online textbook:

offiste01.jpg (430 bytes) Using String Objects
offiste01.jpg (430 bytes) Working with Substrings
offiste01.jpg (430 bytes) Using Numeric Arrays
offiste01.jpg (430 bytes) Using String Arrays
offiste01.jpg (430 bytes) Sorting a Numeric Array

Learning Activities

  1. Use this search box to refine and expand your understanding of new terms and concepts in the reading assignments.

Custom Search
  1. offiste01.jpg (430 bytes) Visit the hands-on Workshop: Displaying a Scrolling Message
  2. offiste01.jpg (430 bytes) Review the lesson Summary.
  3. Test your understanding with the following items:
offiste01.jpg (430 bytes) Q&A
offiste01.jpg (430 bytes) Quiz
offiste01.jpg (430 bytes) Exercises


Web design and curriculum: David L. Heiserman

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Most recent revision: March 20, 2014