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var all = document.getElementsByName('checkboxName');
for(var i = 0; i < all.length; i++){
all[i].checked = true;
}
var all = document.getElementsByName('checkboxName');
for(var i = 0; all[i]; i++){
all[i].checked = true;
}
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<script type="text/javascript">
function $(id){
if(document.getElementById){
return document.getElementById(id);
}
}
window.onload = function(){
var checkboxAllObj = $('checkBoxAll');
checkboxAllObj.onclick = function(){
var checkBoxArray = document.getElementsByName('checkboxName');
if(checkboxAllObj.checked){
for(var i = 0 ; checkBoxArray[i]; i++){
checkBoxArray[i].checked = true;
}
}else{
for(var i = 0 ; checkBoxArray[i]; i++){
checkBoxArray[i].checked = false;
}
}
};
}
</script>
</head>
<body>
全选<input type="checkbox" id="checkBoxAll" name="checkboxAllName"/>
<table style="width:800px;border: 1 solid black;">
<%
for(int i = 0 ; i < 15000; i++){//注释:我这里生成的是15000行的数据表格,选择速度,就是瞬间实现。我还试验了 150000 行,选择时间大概是 2.5s
%>
<tr style="background-color:silver;">
<td style="width:10%;">No.<%=(i + 1) %></td>
<td style="width:10%;"><input type="checkbox" name="checkboxName"/></td>
<td>hello</td>
</tr>
<%
}
%>
</table>
</body>
</html>
<input type='checkbox' onclick='check("cid",this.checked)'/>点我全选<br/>
<input type='checkbox' name='cid'/><br/>
<input type='checkbox' name='cid'/><br/>
<input type='checkbox' name='cid'/>
<script type='text/javascript'>
function check(name,t)
{
var a = document.getElementsByName(name);
var aa = a.length;
for(var i=0;i<aa ;i++)
{
a[i].checked = t;
}
}
<script language ="javascript" type ="text/javascript">
function check(f)
{
var a = document.getElementsByTagName("input");
var aa = a.length;
for(var i=0;i <=aa ;i++)
{
if(a[i].type=="checkbox"&&!a[i].disabled)
{
a[i].checked=form1.allcheck.checked;
}
}
}
function addCheckEvent()
{
show()
var objs=document.getElementsByTagName("INPUT");
var n = objs.length;
for(var i=1;i < n ;i++)
{
if(objs[i].type=="checkbox")
{
objs[i].onclick=show
}
}
}
function show()
{
var objs=document.getElementsByTagName("INPUT");
var ifAllChecked=true;
var ss = objs.length;
for(var i=1;i < ss;i++)
{
if(objs[i].type=="checkbox")
{
if(!objs[i].checked)
{
ifAllChecked=false;
break;
}
}
}
document.getElementById("allcheck").checked=ifAllChecked
}
</script>
<script>
function check(f)
{
var a = document.getElementsByTagName("input");
var aa = a.length;
var isForm1check=form1.allcheck.checked
for(var i=0;i <=aa ;i++)
{
var tmpa=a[i]
if(tmpa&&tmpa=="checkbox"&&!tmpa.disabled)
{
tmpa.checked=isForm1check;
}
}
}
</script>
function check(f)
{
var a = document.getElementsByTagName("input");
var aa = a.length;
for(var i=0;i <=aa ;i++)
{
if(a[i]&&a[i].type=="checkbox"&&!a[i].disabled)
{
a[i].checked=form1.allcheck.checked;
}
}
}
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<BODY>
<input type="button" value="SelectAll" onclick="selectAll()"/>
<SCRIPT LANGUAGE="JavaScript">
var table=document.createElement("TABLE");
table.id="tbl";
var tbody = document.createElement("TBODY");
for(var i=0;i<1000;i++)
{
var tr=document.createElement("TR");
var td =document.createElement("TD");
var checkbox=document.createElement("INPUT");
checkbox.type="checkbox";
checkbox.name="checkbox";
td.appendChild(checkbox);
tr.appendChild(td);
tbody.appendChild(tr);
}
table.appendChild(tbody);
document.body.appendChild(table);
function selectAll()
{
var table=document.getElementById("tbl");
for(var i=0;i<table.rows.length;i++)
{
table.rows[i].cells[0].childNodes[0].checked=true;
}
}
</SCRIPT>
</BODY>
</HTML>
function check(f)
{
var a = document.getElementsByTagName("input");
for(var i=0;i <=a.length ;i++)
{
if(a[i]&&a[i].type=="checkbox"&&!a[i].disabled)
{
a[i].checked=form1.allcheck.checked;
}
}
}