view console.log output in angular protractor jasmine test

Use browser.manage().logs().get('browser')

browser.manage().logs().get('browser').then(function(browserLogs) {
   // browserLogs is an array of objects with level and message fields
   browserLogs.forEach(function(log){
      if (log.level.value > 900) { // it's an error log
        console.log('Browser console error!');
        console.log(log.message);
      }
   });
});