‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful! Last week, I casually dropped the term “higher-order function” ...

Performing JavaScript addition may seem like a simple task, until you discover the number of different ways you can add them. Mathematical calculations are often critical operations that require ...

For a multi-step form I've defined some input validation functions called validate_step1(), validate_step2() and validate_step3() that are being used as callbacks in a jQuery plugin.<BR><BR>I did a ...