What are the functionalities performed by onload() and onUpload()? - DOM

What are the functionalities performed by onload() and onUpload()?

- onload() and onUpload() are two functions that gets activated or the event gets triggered when the user enters or leaves the page.

- onload() event is used to verify and check the user’s visit according to the browser’s type and it loads a version of the event.

- It provides the web page information that allows easy access to the website and consists of the information regarding the event that is triggered.

- Onload() and onUpload() events uses the cookies to hold down the values given by the users when it enters or leaves the page.

- This includes the example of a popup that opens up as many times the user is visiting the first page of the website.