PreventDefault and stopPropagation in js _ javascript skills

This article mainly introduces preventDefault and stopPropagation in js. If you need them, you can refer to them and hope to help you. First, Let's explain the differences between preventDefault and stopPropagation in js:
What is the role of the preventDefault method? We know, such as Baidu, this is the most basic html things, the role is to click Baidu link to the http://www.baidu.com, This is the default behavior of tags, the preventDefault method can prevent the occurrence of its default behavior and other things. After reading a piece of code, you will understand:

The Code is as follows:

JS blocks link redirection