[c.y.j]js练习表格隔行 添加
2014-06-11 22:11
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>thead</title>
<script>
function getId(n){
return document.getElementById(n);
}
function lastId(){
return getId("table1").tBodies[0].rows.length+1;
}
function tableColor(){
var otable=getId("table1");
var old="";
for(var i=0;i<lastId()-1;i++){
if(i%2){
otable.tBodies[0].rows[i].style.background="red";
}else{
otable.tBodies[0].rows[i].style.background="green";
}
otable.tBodies[0].rows[i].onmouseover=function(){
old=this.style.background;
this.style.background="blue";
}
otable.tBodies[0].rows[i].onmouseout=function(){
this.style.background=old;
}
}
}
window.onload=function(){
var user=getId("user");
var age=getId("age");
var btn=getId("button");
var otable=getId("table1");
tableColor();
btn.onclick=function(){
var tr=document.createElement("tr");
var td="<td>"+lastId()+"</td><td>"+user.value+"</td><td>"+age.value+"</td>";
tr.innerHTML=td;
otable.tBodies[0].appendChild(tr);
tableColor();
}
}
</script>
</head>
<body>
<input type="text" id="user"/>
<input type="text" id="age" />
<input type="button" id="button" value="add"/>
<table id="table1" border="1">
<thead>
<th>id</th>
<th>user</th>
<th>age</th>
</thead>
<tbody>
<tr><td>1</td><td>cyj</td><td>24</td></tr>
<tr><td>2</td><td>cyj</td><td>24</td></tr>
</tbody>
</table>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>thead</title>
<script>
function getId(n){
return document.getElementById(n);
}
function lastId(){
return getId("table1").tBodies[0].rows.length+1;
}
function tableColor(){
var otable=getId("table1");
var old="";
for(var i=0;i<lastId()-1;i++){
if(i%2){
otable.tBodies[0].rows[i].style.background="red";
}else{
otable.tBodies[0].rows[i].style.background="green";
}
otable.tBodies[0].rows[i].onmouseover=function(){
old=this.style.background;
this.style.background="blue";
}
otable.tBodies[0].rows[i].onmouseout=function(){
this.style.background=old;
}
}
}
window.onload=function(){
var user=getId("user");
var age=getId("age");
var btn=getId("button");
var otable=getId("table1");
tableColor();
btn.onclick=function(){
var tr=document.createElement("tr");
var td="<td>"+lastId()+"</td><td>"+user.value+"</td><td>"+age.value+"</td>";
tr.innerHTML=td;
otable.tBodies[0].appendChild(tr);
tableColor();
}
}
</script>
</head>
<body>
<input type="text" id="user"/>
<input type="text" id="age" />
<input type="button" id="button" value="add"/>
<table id="table1" border="1">
<thead>
<th>id</th>
<th>user</th>
<th>age</th>
</thead>
<tbody>
<tr><td>1</td><td>cyj</td><td>24</td></tr>
<tr><td>2</td><td>cyj</td><td>24</td></tr>
</tbody>
</table>
</body>
</html>
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