Category Archives: Frequently Asked Questions
A place for frequently asked and answered questions.
What is the exclamation mark used for in code?
Q: What is the exclamation mark used for in code? What does the exclamation point mean? A: In most cases the exclamation mark means “not”, “no”, “is not”, “does not”, “false”, “null”, or “undefined”. However, not every coding language follows this rule. Below are some examples which may help you to further understand how the […]