Switch statements let you streamline multi-condition logic in programming and even spreadsheets. By matching a single expression against multiple cases, they cut down repetitive code. Whether in ...

Control flow is the secret sauce that lets your code make decisions, repeat tasks, and skip steps when needed. Whether you’re writing JavaScript, building Excel formulas, or scripting in Bash, ...

Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more. Forms are an essential part ...

In the past two columns, we’ve looked at higher-order functions and talked a little bit about the power of functional programming. So far, the concepts we’ve covered do little to indicate how powerful ...

Boredom teaches us that life isn’t a parade of amusements. More important, it spawns creativity and self-sufficiency. By Pamela Paul Ms. Paul is the editor of the Book Review. See more of our coverage ...