标签：submit center tag let value ble tno tle 超链接
1、BOM：浏览器对象模型，BOM提供了独立于内容的、可以与浏览器窗口进行互动的对象结构
2、BOM可实现功能
①弹出新的浏览器窗口
②移动、关闭浏览器窗口以及调整窗口大小
③页面的前进、后退
3、访问节点
getElementById() 返回对拥有指定ID的第一个对象引用
getElementByName() 返回对拥有指定名称的第一个对象引用
getElementByTagName() 返回对拥有指定标签名的第一个对象引用
3、案例
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Untitled Document</title> <link rel="stylesheet" type="text/css" href="ex_2_style/css.css" /> <script type="text/javascript"> window.onload = function(){ function aDelete(){ //获取tr元素节点 var trEle = this.parentNode.parentNode; //获取td元素节点 var tdEles = trEle.getElementsByTagName("td"); alert(tdEles); //获取每条记录中的name var nameText = tdEles[0].innerHTML; //弹出确认删除框 var flag = confirm("确定要删除【"+nameText+"】的信息吗？"); if(flag){ //删除tr元素节点 trEle.parentNode.removeChild(trEle); } return false; } //删除操作 var aEles = document.getElementsByTagName("a"); for(var i = 0; i < aEles.length; i++){ aEles[i].onclick = aDelete; } //添加操作 //获取提交按钮 var subBtn = document.getElementById("addEmpButton"); subBtn.onclick = function(){ //获取输入的name,email,salary var nameText = document.getElementById("empName").value; var emailText = document.getElementById("email").value; var salaryText = document.getElementById("salary").value; /* <tr> <td>Tom</td> <td>tom@tom.com</td> <td>5000</td> <td><a href="deleteEmp?id=001">Delete</a></td> </tr> */ //创建四个文本节点 var nmText = document.createTextNode(nameText); var emText = document.createTextNode(emailText); var slText = document.createTextNode(salaryText); var dlText = document.createTextNode("Delete"); //创建一个a元素节点 var aEle = document.createElement("a"); //给a元素节点添加超链接 aEle.href = "#"; aEle.onclick = aDelete; //创建四个td元素节点 var nmTd = document.createElement("td"); var emTd = document.createElement("td"); var slTd = document.createElement("td"); var dlTd = document.createElement("td"); //组装<td>文本</td> nmTd.appendChild(nmText); emTd.appendChild(emText); slTd.appendChild(slText); aEle.appendChild(dlText); dlTd.appendChild(aEle); //创建tr元素节点 var trEle = document.createElement("tr"); //将组装好的td节点添加到tr中 trEle.appendChild(nmTd); trEle.appendChild(emTd); trEle.appendChild(slTd); trEle.appendChild(dlTd); //获取table元素节点 var tableEle = document.getElementById("employeeTable"); //将tr节点添加到table中 tableEle.appendChild(trEle); }; }; </script> </head> <body> <table id="employeeTable"> <tr> <th>Name</th> <th>Email</th> <th>Salary</th> <th> </th> </tr> <tr> <td>Tom</td> <td>tom@tom.com</td> <td>5000</td> <td><a href="deleteEmp?id=001">Delete</a></td> </tr> <tr> <td>Jerry</td> <td>jerry@sohu.com</td> <td>8000</td> <td><a href="deleteEmp?id=002">Delete</a></td> </tr> <tr> <td>Bob</td> <td>bob@tom.com</td> <td>10000</td> <td><a href="deleteEmp?id=003">Delete</a></td> </tr> </table> <div id="formDiv"> <h4>添加新员工</h4> <table> <tr> <td class="word">name: </td> <td class="inp"> <input type="text" name="empName" id="empName" /> </td> </tr> <tr> <td class="word">email: </td> <td class="inp"> <input type="text" name="email" id="email" /> </td> </tr> <tr> <td class="word">salary: </td> <td class="inp"> <input type="text" name="salary" id="salary" /> </td> </tr> <tr> <td colspan="2" align="center"> <button id="addEmpButton" value="abc"> Submit </button> </td> </tr> </table> </div> </body> </html>
标签：submit center tag let value ble tno tle 超链接
原文地址：https://www.cnblogs.com/fbwa/p/13111590.html
