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The `clear`/`clean` functions

Helps to clear the old outputs from the screen. This internally uses document.body.innerHTML = "".

Example

pascal

program san_clearln(input,output);
   var user_name: string;
begin
  html('Lets make the screen full of text 😅 \n');
  html('Lets make the screen full of text 😅 \n');
  html('Lets make the screen full of text 😅 \n');
  html('Lets make the screen full of text 😅 \n');
  html('Lets make the screen full of text 😅 \n');
  clear(); 
  html('Follow me at https://instagram.com/sanjaiyan_dev \n');
end;