submit: It is an HTML default form submit an event, it will name the underlying technique when shape gets submitted.

ngSubmit: Is host binding located on the shape element. Basically, it prevents default submit event of browser(which can be structure post) with the aid of returning false. Eventually, you can prevent common PostBack calls or web page reload due to shape load. This way you can validate your form & submit it to the server by means of guide ajax from Component code

BY Best Interview Question ON 24 Jun 2020