链接收藏
+ HTML 如何在点击链接时显示确认对话框
https://deepinout.com/html/html-questions/225_html_how_to_display_a_confirmation_dialog_when_clicking_an_a_link.html#ftoc-heading-2
+ HTML实现当用户点击站外a标签链接时弹出提示窗口申请用户确认，模拟各大站点链接安全性提示代码，亲测有效，免费
https://blog.csdn.net/chenzhi0122/article/details/131269420