Topic: JavaScript – Page 7

Use capture groups in regular expressions to preserve the separators in the result of String.prototype.split().

The multiline mode in JavaScript expressions changes the behavior of ^ and $ to match patterns across multiple lines.

Numeric Separators in JavaScript are cross-browser-supported.

The new showPicker() DOM methods enables developers to open a native date picker if the input element supports it.

Use the flatMap array method to filter and map elements in a single iteration.