javascript - show above input.focus() -

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When I input.focus (); Trying to input the input with the error cursor indicates on that input, but since I have a fixed header whose height is around 100px, the input field is not showing.

Is there any way from where I could input those input fields like Input.focus (-100); ?

I also have input.scrollTop (); , but it does not go anywhere near that input.

Here are some ideas. 

  var top = input.offset (). Top 100; // or input.position () Top + 100; $ (Document) .scrollTop (above);

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