Usually we will select a certain condition, then add it, and then execute it after accumulating multiple conditions.
Without further ado, let’s get straight to the code!
Jquery dynamically adds and deletes page nodes
<script> <br>$(function(){//After the page is loaded, execute <br>$("input").click(function() {//Add operation<br>var getval=$("select").val();//Get the currently selected select value<br>$("p").before('<li>' getval ' <span> live("click",function(){//Event handlers attached through the live() method apply to current and future elements matching the selector (such as new elements created by scripts) <br>$(this). parent().remove();//Remove the parent element of the currently clicked element <br>}); <br></script>
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
