What does jquery length mean?

This article mainly explains "what is the meaning of jquery length". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what does jquery length mean"?

The jquery length attribute contains the number of elements in the jQuery object, using methods such as "$(" button ") .click (function () {alert ($(" li ") .length);});.

This article operating environment: windows7 system, jquery3.2.1 version, DELL G3 computer

What is jquery length?

JQuery length attribute

The length attribute contains the number of elements in the jQuery object.

Grammar

(selector) .length

Example

Number of output elements:

("button") .click (function () {alert ($("li") .length);}); Thank you for reading, the above is the content of "what is the meaning of jquery length". After the study of this article, I believe you have a deeper understanding of what jquery length means, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!