Two common methods for jquery to verify whether an element is empty

This article mainly introduced jquery to verify the element is empty two kinds of commonly used methods, the example analysis two commonly used judgment is the empty skill, very has the practical value, the need friend may refer to the next

The examples in this article describe two common methods for jquery to verify that the element is empty. Share to everyone for your reference. Specifically as follows:

The following provides two methods for checking whether the contents of an element of the specified ID are null

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Method one if (!$ (' #jb51 '). HTML ()) {//http://www.jb51.net nothing found;} Method two if ($ (' #jb51 '). Is (": Empty")) {//http://www.jb51.net found nothing;}

I hope this article will help you with your jquery programming.