Difference between body.style.backgroundColor and window.getComputedStyle(body).getPropertyValue('background-color')

Question

I am trying to get the background color of the body, and I am wondering what is the difference between:

body.style.backgrounColor and

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Answer 1

just using body.style.backgroundColor will only be able to sense if an inline style is on the body and give you that (e.g. a style applied via the style attribute in the html or using the style property in JavaScript). getComputedStyle also gets styles that were applied to it via stylesheets in )