Document. Body is null

Solution 1:

Document. Body is null: the front-end students should be familiar with this error.

The cause of this problem is: you are too anxious, the document has not been rendered to the body, you want to call, of course, will not find

Solution: so easy

Put the code in $ (document). Ready ().

Solution 2:

Although the body is a property supported by all browsers in Javascript DOM technology, we still encounter the document. Is null problem in code writing.

 

The cause of the problem is very simple, because we have loaded JS before the body tag, and there is no body element yet.

The solution is to move the JS Code called to document. Body to the end of the Body Tag code.