public function assertEmptyBrowserConsole()
    {
        $webDriver = $this->getModule('WebDriver');
        $browserLogEntries = $webDriver->webDriver->manage()->getLog('browser');

        $messages = [];
        foreach ($browserLogEntries as $logEntry) {
            // We fail only on errors. Warnings and info messages are OK.
            if (true === isset($logEntry['level'])
                && true === isset($logEntry['message'])
                && $this->isJSError($logEntry['level'], $logEntry['message'])
            ) {
                // Timestamp is in milliseconds, but date() requires seconds.
                $time = date('H:i:s', (int)($logEntry['timestamp'] / 1000));
                // Append the milliseconds to the end of the time string
                $ms = $logEntry['timestamp'] % 1000;
                $messages[] = "{$time}.{$ms} {$logEntry['level']} - {$logEntry['message']}";
            }
        }
        if (empty($messages)) {
            return;
        }
        $messages = array_merge(['Found following JavaScript errors in the browser console:'], $messages);
        $message = implode(PHP_EOL, $messages);
        $this->fail($message);
    }
public function assertEmptyBrowserConsole()
    {
        $webDriver = $this->getModule('WebDriver');
        $browserLogEntries = $webDriver->webDriver->manage()->getLog('browser');

        $messages = [];
        foreach ($browserLogEntries as $logEntry) {
            // We fail only on errors. Warnings and info messages are OK.
            if (true === isset($logEntry['level'])
                && true === isset($logEntry['message'])
                && $this->isJSError($logEntry['level'], $logEntry['message'])
            ) {
                // Timestamp is in milliseconds, but date() requires seconds.
                $time = date('H:i:s', (int)($logEntry['timestamp'] / 1000));
                // Append the milliseconds to the end of the time string
                $ms = $logEntry['timestamp'] % 1000;
                $messages[] = "{$time}.{$ms} {$logEntry['level']} - {$logEntry['message']}";
            }
        }
        if (empty($messages)) {
            return;
        }
        $messages = array_merge(['Found following JavaScript errors in the browser console:'], $messages);
        $message = implode(PHP_EOL, $messages);
        $this->fail($message);
    }
public function assertEmptyBrowserConsole ( ) { $ webDriver = $ this -> getModule ( 'WebDriver' ) ; $ browserLogEntries = $ webDriver -> webDriver -> manage ( ) -> getLog ( 'browser' ) ; $ messages = [ ] ; foreach ( $ browserLogEntries as $ logEntry ) { // We fail only on errors. Warnings and info messages are OK. if ( true === isset ( $ logEntry [ 'level' ] ) && true === isset ( $ logEntry [ 'message' ] ) && $ this -> isJSError ( $ logEntry [ 'level' ] , $ logEntry [ 'message' ] ) ) { // Timestamp is in milliseconds, but date() requires seconds. $ time = date ( 'H:i:s' , ( int ) ( $ logEntry [ 'timestamp' ] / 1000 ) ) ; // Append the milliseconds to the end of the time string $ ms = $ logEntry [ 'timestamp' ] % 1000 ; $ messages [ ] = "{$time}.{$ms} {$logEntry['level']} - {$logEntry['message']}" ; } } if ( empty ( $ messages ) ) { return ; } $ messages = array_merge ( [ 'Found following JavaScript errors in the browser console:' ] , $ messages ) ; $ message = implode ( PHP_EOL , $ messages ) ; $ this -> fail ( $ message ) ; }
Check browser console for errors and fail

See Codeception\Module\WebDriver::logJSErrors
Check browser console for errors and fail