作者：Edwin | 来源：互联网 | 2023-06-07 17:03
表格应用--tBodies tHead tFoot rows cells
<title>无标题文档title>
<script>
window.onload=function ()
{
var oTab=document.getElementById(‘tab1‘);
// alert(oTab.getElementsByTagName(‘tbody‘)[0].getElementsByTagName(‘tr‘)[1].getElementsByTagName(‘td‘)[1].innerHTML);
alert(oTab.tBodies[0].rows[1].cells[1].innerHTML);
}
script>
head>
<body>
<table id="tab1" border="1" width="500">
<thead>
<td>IDtd>
<td>姓名td>
<td>年龄td>
thead>
<tbody>
<tr>
<td>1td>
<td>bluetd>
<td>23td>
tr>
<tr>
<td>2td>
<td>张三td>
<td>24td>
tr>
<tr>
<td>3td>
<td>李四td>
<td>25td>
tr>
<tr>
<td>4td>
<td>王五td>
<td>26td>
tr>
tbody>
table>
body>
隔行变色，选中高亮
<title>无标题文档title>
<script>
window.onload=function ()
{
var oTab=document.getElementById(‘tab1‘);
var oldColor=‘‘; for(var i=0;oTab.tBodies[0].rows.length;i++)
{
oTab.tBodies[0].rows[i].onmouseover=function ()
{
oldColor=this.style.background;
this.style.background=‘yellow‘;
}
oTab.tBodies[0].rows[i].onmouseout=function ()
{
this.style.background=oldColor;
}
if(i%2)
{
oTab.tBodies[0].rows[i].style.background=‘‘;
}
else
{
oTab.tBodies[0].rows[i].style.background=‘green‘;
}
}
}
script>
head>
<body>
<table id="tab1" border="1" width="500">
<thead>
<td>IDtd>
<td>姓名td>
<td>年龄td>
thead>
<tbody>
<tr>
<td>1td>
<td>bluetd>
<td>23td>
tr>
<tr>
<td>2td>
<td>张三td>
<td>24td>
tr>
<tr>
<td>3td>
<td>李四td>
<td>25td>
tr>
<tr>
<td>4td>
<td>王五td>
<td>26td>
tr>
tbody>
table>
body>
添加、删除一行，还有id号的处理（一般ID号不复用，删除了就不再用了）
<title>无标题文档title>
<script>
window.onload=function ()
{
var oTab=document.getElementById(‘tab1‘); var oBtn=document.getElementById(‘btn1‘);
var oName=document.getElementById(‘name‘);
var oAge=document.getElementById(‘age‘);
var id=oTab.tBodies[0].rows.length+1; oBtn.onclick=function ()
{
var oTr=document.createElement(‘tr‘);
var oTd=document.createElement(‘td‘);
oTd.innerHTML=id++;
oTr.appendChild(oTd);
var oTd=document.createElement(‘td‘);
oTd.innerHTML=oName.value;
oTr.appendChild(oTd);
var oTd=document.createElement(‘td‘);
oTd.innerHTML=oAge.value;
oTr.appendChild(oTd);
var oTd=document.createElement(‘td‘);
oTd.innerHTML=‘删除‘;
oTr.appendChild(oTd);
oTd.getElementsByTagName(‘a‘)[0].onclick=function ()
{
oTab.tBodies[0].removeChild(this.parentNode.parentNode);
}
oTab.tBodies[0].appendChild(oTr);
}
}
script>
head>
<body>
姓名：<input id="name" type="text"/>
年龄：<input id="age" type="text"/>
<input id="btn1" type="button" value="添加"/>
<table id="tab1" border="1" width="500">
<thead>
<td>IDtd>
<td>姓名td>
<td>年龄td>
<td>操作td>
thead>
<tbody>
<tr>
<td>1td>
<td>bluetd>
<td>23td>
<td>td>
tr>
<tr>
<td>2td>
<td>张三td>
<td>24td>
<td>td>
tr>
<tr>
<td>3td>
<td>李四td>
<td>25td>
<td>td>
tr>
<tr>
<td>4td>
<td>王五td>
<td>26td>
<td>td>
tr>
tbody>
table>
body>
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