ElementList<Element> querySelectorAll(
String selectors
)

Finds all descendant elements of this document fragment that match the specified group of selectors.

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.

Source

/**
 * Finds all descendant elements of this document fragment that match the
 * specified group of selectors.
 *
 * [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](http://www.w3.org/TR/css3-selectors/).
 */
ElementList<Element> querySelectorAll(String selectors) =>
  new _FrozenElementList._wrap(_querySelectorAll(selectors));