Two ways to get the body tag_Basic knowledge

There are two ways to reference the body tag:

The first one: Use DOM Core to reference the first (and only) body tag of a given document

Copy code The code is as follows:

document.getElementsByTagName("body")[0]

Second Type: Use HTML-DOM, that is, refer to the body attribute of a given document:

Copy code The code is as follows:

doucumnet.body

The focus of this article:

1. Which is DOM Core and which is HTML-DOM (slowly added)