Customizable plugin, smooth scroll up button, on native JavaScript

Up button initialization, call up() function, in your js file, or in html file, inside script tag The button has standard styles that are specified in the css file, but it can be customized for a specific design by passing parameters to the function.

 up();

up({
   bottom: '20px',
   right: '20px',
   width: '45px',
   height: '45px',
   bg: 'green',
   src: 'img/chevron-up-solid.svg',
   whenShow: 400,
   circle: true
  })

top

Top position, written in quotes, example "20px"

bottom

Bottom position, written in quotes, example "5%"

left

Position to the left, written in quotes, example "2vw"

right

Right position, written in quotes, example "25px"

width

Button width, written in quotes, example "45px"

height

Button height, written in quotes, example "45px"

bg

background color of the button, written in quotes, example "# 000"

src

The address (URL) of the picture in the button, written in quotes, for example "img / picture.svg"

whenShow

How long does it take to scroll the page for the button to appear, example 400

circle

If the button should be round, example is true