Javascript不适用于jquery的load（），prepend（）或append（）函数添加的元素

I have a comment system where a user submits a comment, the comment is processed, then the HTML for the comment is returned. jquery then adds that retrieved HTML to the comment system. that whole system works, but the comment buttons that requir javascript do not work unless I refresh the page. How do make my javascript work on elements added through load, prepend, or append?I have a comment system where a user submits a