Instagram is Video and Photo sharing Social Networking platform with various filters, and organized with tags and location information.
People come to Instagram to be inspired and discover things they care about and include content from brands and business.Users can browse other users' content by tags and locations, and view trending content. 

Instagram has over 500 million active monthly users. And instagram users have shared over 40 billion photos till date and share an average of 95 million photos and videos per day. So it can surely help to grow your business and to convert leads in to paid clients.

1 Million+ advertisers use Instagram worldwide to share their stories and drive business results. Also 75% of instagrammers take action after being inspired by a post. And 1/3rd of the most viewed stories are from businesses. 
Outstanding ads that will invite your audience and convince them to take action for buying your product and services. Entrepreneurs and Most of the big companies use Instagram to promote their products and to establish a relationship with user day by day. 60% of people say they discover new products on Instagram. That's why instagram helps to grow business.

Protractor supports the two latest major versions of Chrome, Firefox, Safari, and IE. These are used in Protractor's own suite of tests. You can view the current status on Travis.

Note that because Protractor uses WebDriver to drive browsers, any issues with WebDriver implementations (such as FireFoxDriver, ChromeDriver, and IEDriver) will show up in Protractor. The chart below links to major known issues. You can search through all WebDriver issues at the Selenium issue tracker.

(*) WebDriver support fr Firefox has changed recently, and FireFox version 48 does not work properly with the current tools. For the moment, we recommend testing against FireFox 47. In future releases, support for WebDriver via Mozilla's Marionette project will be available.

(**) These drivers are not yet in the Protractor smoke tests.

(*) We recommend against using PhantomJS for tests with Protractor. There are many reported issues with PhantomJS crashing and behaving differently from real browsers.

Open chrome devtools or firefox and find if "angular" is defined. For AngularJS apps, the "angular" variable is expected to be available in the global context.

Note: Check your version of Angular is upgraded – Protractor supports Angular and AngularJS 1.0.6/1.1.4 and higher.

To verify whether a dropdown list is selected or not in angular applications using Protractor, we use isSelected() method. isSelected() method returns Boolean value. It returns true if the element is selected and false if the element is not selected.

To verify whether an element is enabled or not, we use isEnabled() method in Protractor. isEnabled() method returns a Boolean value based on the state of the element. It returns true if the element is enabled and false if the element is not enabled.

To verify whether an element is displayed on a webpage or not, we use isDisplayed() method in Protractor. isDisplayed() method returns a Boolean value based on the state of the element in a webpage. It returns true if the element is displayed and false if the element is not displayed.

By using Key.ESC to body element in Protractor.

browser.actions().sendKeys(protractor.Key.ESC).perform();

By using dismiss() method of Alerts class, we cancel or close alerts in Protractor.

Note: We have to switch the control to the alert using switchTo().alert() before cancel the alert.

browser.switchTo().alert().dismiss()

By using accept() method of Alerts class, we accept Alerts in Protractor.

Note: We have to switch the control to the alert using switchTo().alert() before accepting the alert.

browser.switchTo().alert().accept()

By using sendKeys() method of Alerts class, we set value to the prompt Alert in Protractor.

browser.switchTo().alert().sendKeys("programsbuzz");