prevent refresh of page when button inside form clicked

Question

I have an issue while using buttons inside form. I want that button to call function. It does, but with unwanted result that it refresh the page.

My simple code goes

Answer 1

Return function is not working in all the cases. I tried this:

Show result

It didnt work for me.

I tried to return false inside the function and it worked for me.

function Reset()
{
    .
    .
    .
    return false;
}