jQuery wrap wrapAll wrapInner使用
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <!DOCTYPE html> <html> <head> <base href="<%=basePath%>"> <meta charset="UTF-8"> <title>b index</title> <link rel='stylesheet' type="text/css" href='b/css/bootstrap.css'> </head> <body style="margin:150px;"> <div id="div001">div001</div> <div id="div002">div002</div> <div id="div003">div003</div> <div> <div id='div004'> <div id='div005'></div> </div> <button id="btn001">click me to wrap div001</button> <button id="btn002">click me to wrap div</button> <button id="btn003">click me to wrapAll div001</button> <button id="btn004">click me to wrapAll div</button> <button id="btn005">click me to wrapInner div001</button> <button id="btn006">click me to wrapInner div</button> </div> <script type="text/javascript" src="js/jquery-1.11.1.js"></script> <script type="text/javascript" src="b/js/bootstrap.js"></script> <script type="text/javascript" src="js/index030.js"></script> </body> </html>
$(function() { $('#btn001').click(btn001Click); $('#btn002').click(btn002Click); $('#btn003').click(btn003Click); $('#btn004').click(btn004Click); $('#btn005').click(btn005Click); $('#btn006').click(btn006Click); }); function btn001Click() { // wrap返回的是选择器选择的对象； var obj = $('#div001').wrap('<div>'); console.log(obj); } function btn002Click() { // 这个返回的是所有选择器选择的对象；每个对象都被包裹了； var obj = $('div').wrap('<div>'); console.log(obj); } function btn003Click() { // 这样精确查找的情况下和wrap var obj = $('#div001').wrapAll('<div>'); console.log(obj); } function btn004Click() { // 这样会把层次结构中的div都抻平级了；把div004、div005都移出来了，成为平级的东西； var obj = $('div').wrapAll('<div>'); console.log(obj); } function btn005Click() { // 返回的就是div001； var obj = $('#div001').wrapInner('<b>'); console.log(obj); } function btn006Click() { // 会把所有div层里面都加上了<b>,但是不会把元素结构改变； var obj = $('div').wrapInner('<b>'); console.log(obj); }