Big O notation is used in Computer Science to describe the time complexity of an algorithm. The best algorithms will execute the fastest and have the simplest complexity. Algorithms don’t always perform the same and may vary based on the Continue reading What is Big O Notation?
If neither attribute is present, the script is downloaded and executed synchronously, and will halt parsing of the document until it has finished executing (default behavior). Scripts are downloaded and executed in the order they are encountered. The defer attribute downloads the Continue reading What are defer and async attributes on a Script tag?