examples/error.html

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Generate errors for test automation</title>
  <!-- Throwing inside karma test files won't work,
    but you can do it here and let karma load this file. -->
  <script>
    window.throwError = function throwError() {
      // Example error, which will be reported to rollbar when `captureUncaught`
      // is true in the config.
      throw new Error('test error');
    };
    window.throwDomException = function throwDomException() {
      // Example error, which will be reported to rollbar when `captureUncaught`
      // is true in the config.
      throw new DOMException('test DOMException');
    };
    // Deep stack error
    window.throwDeepStackError = function throwDeepStackError(curr, limit) {
      if (curr < limit) {
        throwDeepStackError(curr + 1, limit);
      } else {
        throw new Error('deep stack error');
      }
    };
    window.throwEventHandlerError = function throwError() {
      // Set error to throw inside an event handler,
      // and then trigger the event.
      window.addEventListener('hashchange', function() {
        throw new Error('event handler error');
      }, false);

      // set hash location
      window.location.hash = 'test';
    };
  </script>
</head>
<body>
  <div style="text-align:center">
    <h1>
      Generate errors for test automation
    </h1>
  </div>
  <button id="throw-error" onclick="throwError()">Throw Error</button>
  <button id="throw-dom-exception" onclick="throwDomException()">Throw DOMException</button>
  <button id="throw-depp-stack-error" onclick="throwDeepStackError(0,20)">Throw deep stack Error</button>
  <button id="throw-event-handler-error" onclick="throwEventHandlerError(0,20)">Throw event handler Error</button>
</html>