Make a Backspace Button with input element

Question

How do I create a Backspace button for an HTML and JavaScript calculator with an input element?

Answer 1

By removing the last character of calculation i guess ?

and what is this input element suppose to do ?

Answer 2

See my friend
I have written a calculator code and I want to create a backspace button that can clear the values ​​inside the box one by one

Answer 3

Dear Kubde, can I use this code?

Answer 4

thanks My Friend