Quick Tip: Testing if a String Matches a Regex in JavaScript

Learn how HTTP web requests are structured, and how to make a Python request — with the help of the Python requests library.

Learn how to use Math.random to generate random numbers in JavaScript and create random colors, letters, strings, phrases, passwords, & more.

Learn how to transform the character case of a string — to uppercase, lowercase, and title case — using native JavaScript methods.

Learn about methods for rounding numbers in JavaScript: rounding up, rounding down, rounding to decimal places, and gotchas to avoid.

Learn how to split a string into substrings in JavaScript with both the substring() and split() methods, and how to choose which one to use.

Learn how to convert numbers to ordinals in JavaScript. Getting the ordinal of a number allows you to display it in a human-readable format.