📅  最后修改于: 2022-03-11 15:04:07.598000             🧑  作者: Mango
You can get it like this:
var suffix = 'comment_like_123456'.match(/\d+/); // 123456
With respect to button:
$('.comment_like').click(function(){
var suffix = this.id.match(/\d+/); // 123456
});
It works for me.