Two common methods for jQuery to verify whether an element is empty_jquery

The examples in this article describe two common methods for jQuery to verify whether an element is empty. Share it with everyone for your reference. The details are as follows:

The following provides two methods for checking whether the content of the element with a specified id is empty

// 方法一
if (!$('#jb51').html()) {
//http://www.jb51.net 什么都没有找到;
}

// 方法二
if ($('#jb51').is(":empty")) {
//http://www.jb51.net 什么都没有找到;
}

I hope this article will be helpful to everyone’s jQuery programming.