Finds all descendant elements of this document that match the specified group of selectors.
Finds all descendant elements of this document that match the specified group of selectors.
Unless your webpage contains multiple documents, the top-level querySelectorAll method behaves the same as this method, so you should use it instead to save typing a few characters.
selectors should be a string using CSS selector syntax.
var items = document.querySelectorAll('.itemClassName');
For details about CSS selector syntax, see the CSS selector specification.