$$eval<T> method

Future<T?> $$eval<T>(
  1. String selector,
  2. @Language.new('js') String pageFunction, {
  3. List? args,
})

This method runs Array.from(document.querySelectorAll(selector)) within the frame and passes it as the first argument to pageFunction.

If pageFunction returns a Promise, then frame.$$eval would wait for the promise to resolve and return its value.

Examples:

var divsCounts = await frame.$$eval('div', 'divs => divs.length');

Implementation

Future<T?> $$eval<T>(
  String selector,
  @Language('js') String pageFunction, {
  List<dynamic>? args,
}) {
  return _mainWorld.$$eval<T>(selector, pageFunction, args: args);
}