checkBox全选反选全不选
2017-04-08 08:34
148 查看
方法1
<script
language="javascript">
function
selectIt() {
form = document.lzyy
action = event.srcElement.name
for (var i = 0; i < form.elements.length; i++) {
if (form.elements[i].name == "checkbox") {
e = form.elements[i]
e.checked = (action == "selectAll") ? (form.selectAll.checked) :
(!e.checked)
////在这里 通过条件表达式?:来使每个框反选。朋友们可以好好思考一下。这种首先是一种实现方式。其二 还能是代码简练。哈哈
反正个人是喜欢这种方式拉。
}
}
}
</script>
<form name="lzyy">
<p class="STYLE1">
全 选
<input type="checkbox" name="selectAll"
value="checkbox" onClick="selectIt()">
<br>
反 选
<input type="checkbox" name="invest"
value="checkbox" onClick="selectIt()">
<br>
Item1
<input type="checkbox" name="checkbox"
value="checkbox">
<br>
Item2
<input type="checkbox" name="checkbox"
value="c
4000
heckbox">
<br>
Item3
<input type="checkbox" name="checkbox"
value="checkbox">
<br>
Item4
<input type="checkbox" name="checkbox"
value="checkbox">
<br>
Item5
<input type="checkbox" name="checkbox"
value="checkbox">
</p>
</form>
方法2
<html>
<head>
<script type="text/javascript">
function checkEvent(name, allCheckId) {
var allCk = document.getElementByIdx_x(allCheckId);
if (allCk.checked == true) checkAll(name);
else checkAllNo(name);
}
//全选
function checkAll(name) {
var names = document.getElementsByName(name);
var len = names.length;
if (len > 0) {
var i = 0;
for (i = 0; i < len; i++)
names[i].checked = true;
}
}
//全不选
function checkAllNo(name) {
var names = document.getElementsByName(name);
var len = names.length;
if (len > 0) {
var i = 0;
for (i = 0; i < len; i++)
names[i].checked = false;
}
}
//反选
function reserveCheck(name) {
var names = document.getElementsByName(name);
var len = names.length;
if (len > 0) {
var i = 0;
for (i = 0; i < len; i++) {
if (names[i].checked) names[i].checked = false;
else names[i].checked = true;
}
}
}
</script>
</head>
<body>
<input type="checkbox" id="ckall"
onclick="checkEvent('ck','ckall')" />
全选
<input type="checkbox" id="ckReserve"
onclick="reserveCheck('ck','ckReserve')"
/>
反选
<br />
<input type="checkbox" name="ck" value="1"
/>
篮球
<br />
<input type="checkbox" name="ck" value="2"
/>
旅游
<br />
<input type="checkbox" name="ck" value="3"
/>
读书
<br />
<input type="checkbox" name="ck" value="4"
/>
美食
<br />
<input type="checkbox" name="ck" value="5"
/>
睡觉
</body>
</html>
方法3
// 说明:Javascript 控制 CheckBox 的全选与取消全选
function checkAll(name) {
var el =
document.getElementsByTagName_r('input');
var len =
el.length;
for (var i =
0; i < len; i++) {
if ((el[i].type == "checkbox") &&
(el[i].name == name)) {
el[i].checked = true;
}
}
}
function clearAll(name) {
var el =
document.getElementsByTagName_r('input');
var len =
el.length;
for (var i =
0; i < len; i++) {
if ((el[i].type == "checkbox") &&
(el[i].name == name)) {
el[i].checked = false;
}
}
}
方法4
var checkFlag = true;
function ChooseAll() {
if
(checkFlag) {
var inputs = document.all.tags("INPUT");
for (var i = 0; i < inputs.length; i++)
{
if (inputs[i].type == "checkbox" &&
inputs[i].id != "CheckAll") {
inputs[i].checked = true;
}
}
checkFlag = false;
} else
{
var inputs = document.all.tags("INPUT");
for (var i = 0; i < inputs.length; i++)
{
if (inputs[i].type == "checkbox" &&
inputs[i].id != "CheckAll") {
inputs[i].checked = false;
}
}
checkFlag = true;
}
}
方法5
<input type="button" name="" value="不计算长度"
onclick="a()">
<input type="button" name="" value="全选"
onclick="b()">
<input type="button" value="缓存"
onclick="c()">
<input type="checkbox" name="test[]"
value="0">
测试测试
<br>
<script language="JavaScript">
<!--
var ca = new
Array();
function a()
{
var m = document.getElementsByName('test[]');
for (var i = 0; i < m.length; i++) {
m[i].checked == true ? m[i].checked = false: m[i].checked =
true;
}
}
function
b() {
var m = document.getElementsByName('test[]');
var l = m.length;
for (var i = 0; i < l; i++) {
m[i].checked == true ? m[i].checked = false: m[i].checked =
true;
}
}
function
c() {
if (ca.length == 0) {
ca = cache();
}
cl = ca.length;
for (var i = 0; i < cl; i++) {
ca[i].checked == true ? ca[i].checked = false: ca[i].checked =
true;
}
}
function
cache() {
var m = document.getElementsByName('test[]');
var cache = new Array();
var l = m.length;
for (var i = 0; i < l; i++) {
cache[i] = m[i];
}
return cache;
}
//-->
</script>
<script
language="javascript">
function
selectIt() {
form = document.lzyy
action = event.srcElement.name
for (var i = 0; i < form.elements.length; i++) {
if (form.elements[i].name == "checkbox") {
e = form.elements[i]
e.checked = (action == "selectAll") ? (form.selectAll.checked) :
(!e.checked)
////在这里 通过条件表达式?:来使每个框反选。朋友们可以好好思考一下。这种首先是一种实现方式。其二 还能是代码简练。哈哈
反正个人是喜欢这种方式拉。
}
}
}
</script>
<form name="lzyy">
<p class="STYLE1">
全 选
<input type="checkbox" name="selectAll"
value="checkbox" onClick="selectIt()">
<br>
反 选
<input type="checkbox" name="invest"
value="checkbox" onClick="selectIt()">
<br>
Item1
<input type="checkbox" name="checkbox"
value="checkbox">
<br>
Item2
<input type="checkbox" name="checkbox"
value="c
4000
heckbox">
<br>
Item3
<input type="checkbox" name="checkbox"
value="checkbox">
<br>
Item4
<input type="checkbox" name="checkbox"
value="checkbox">
<br>
Item5
<input type="checkbox" name="checkbox"
value="checkbox">
</p>
</form>
方法2
<html>
<head>
<script type="text/javascript">
function checkEvent(name, allCheckId) {
var allCk = document.getElementByIdx_x(allCheckId);
if (allCk.checked == true) checkAll(name);
else checkAllNo(name);
}
//全选
function checkAll(name) {
var names = document.getElementsByName(name);
var len = names.length;
if (len > 0) {
var i = 0;
for (i = 0; i < len; i++)
names[i].checked = true;
}
}
//全不选
function checkAllNo(name) {
var names = document.getElementsByName(name);
var len = names.length;
if (len > 0) {
var i = 0;
for (i = 0; i < len; i++)
names[i].checked = false;
}
}
//反选
function reserveCheck(name) {
var names = document.getElementsByName(name);
var len = names.length;
if (len > 0) {
var i = 0;
for (i = 0; i < len; i++) {
if (names[i].checked) names[i].checked = false;
else names[i].checked = true;
}
}
}
</script>
</head>
<body>
<input type="checkbox" id="ckall"
onclick="checkEvent('ck','ckall')" />
全选
<input type="checkbox" id="ckReserve"
onclick="reserveCheck('ck','ckReserve')"
/>
反选
<br />
<input type="checkbox" name="ck" value="1"
/>
篮球
<br />
<input type="checkbox" name="ck" value="2"
/>
旅游
<br />
<input type="checkbox" name="ck" value="3"
/>
读书
<br />
<input type="checkbox" name="ck" value="4"
/>
美食
<br />
<input type="checkbox" name="ck" value="5"
/>
睡觉
</body>
</html>
方法3
// 说明:Javascript 控制 CheckBox 的全选与取消全选
function checkAll(name) {
var el =
document.getElementsByTagName_r('input');
var len =
el.length;
for (var i =
0; i < len; i++) {
if ((el[i].type == "checkbox") &&
(el[i].name == name)) {
el[i].checked = true;
}
}
}
function clearAll(name) {
var el =
document.getElementsByTagName_r('input');
var len =
el.length;
for (var i =
0; i < len; i++) {
if ((el[i].type == "checkbox") &&
(el[i].name == name)) {
el[i].checked = false;
}
}
}
方法4
var checkFlag = true;
function ChooseAll() {
if
(checkFlag) {
var inputs = document.all.tags("INPUT");
for (var i = 0; i < inputs.length; i++)
{
if (inputs[i].type == "checkbox" &&
inputs[i].id != "CheckAll") {
inputs[i].checked = true;
}
}
checkFlag = false;
} else
{
var inputs = document.all.tags("INPUT");
for (var i = 0; i < inputs.length; i++)
{
if (inputs[i].type == "checkbox" &&
inputs[i].id != "CheckAll") {
inputs[i].checked = false;
}
}
checkFlag = true;
}
}
方法5
<input type="button" name="" value="不计算长度"
onclick="a()">
<input type="button" name="" value="全选"
onclick="b()">
<input type="button" value="缓存"
onclick="c()">
<input type="checkbox" name="test[]"
value="0">
测试测试
<br>
<script language="JavaScript">
<!--
var ca = new
Array();
function a()
{
var m = document.getElementsByName('test[]');
for (var i = 0; i < m.length; i++) {
m[i].checked == true ? m[i].checked = false: m[i].checked =
true;
}
}
function
b() {
var m = document.getElementsByName('test[]');
var l = m.length;
for (var i = 0; i < l; i++) {
m[i].checked == true ? m[i].checked = false: m[i].checked =
true;
}
}
function
c() {
if (ca.length == 0) {
ca = cache();
}
cl = ca.length;
for (var i = 0; i < cl; i++) {
ca[i].checked == true ? ca[i].checked = false: ca[i].checked =
true;
}
}
function
cache() {
var m = document.getElementsByName('test[]');
var cache = new Array();
var l = m.length;
for (var i = 0; i < l; i++) {
cache[i] = m[i];
}
return cache;
}
//-->
</script>
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