checkbox几种全选的方法

最新推荐文章于 2025-04-15 17:55:57 发布

iteye_13196

最新推荐文章于 2025-04-15 17:55:57 发布

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文章标签： checkbox几种全选的方法全选反选

<html>

<body>

<input type=checkbox name=chk>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<input type=checkbox name=chk>
<br>
全选：<input type=checkbox οnclick=sel('chk')>
<script language="javascript">
function sel(a){
o=document.getElementsByName(a)
for(i=0;i<o.length;i++)
o[i].checked=event.srcElement.checked
}
</script>
--------------------------\
checkbox全选<head></head>

</script>

选中所有显示记录
---------------------------------------------------------------<br>

<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
<input type="checkbox" οnclick="CCA(this.form,this)" name="list" value="3">
----
<input type="checkbox" οnclick="CA(this.form)" name="allbox" value="allbox">
+===
<input type="checkbox" name="list2" value="3">
</form>

<script language="javascript">
<!--

function CCA(frm,CB)
{
alert(CB.checked);
var TB=TO=0;
for (var i=0;i<frm.elements.length;i++)
{
var e=frm.elements[i];
if ((e.name != 'allbox') && (e.type=='checkbox') && (e.name != 'list2'))
{
TB++;
if (e.checked)
TO++;
}
}
frm.allbox.checked=(TO==TB)?true:false;

if (0==TO)//全部未选中和选中一些时对删除按钮的disabled属性的影响
{
//frm.del.disabled = true;
}
else
{
//frm.del.disabled = false;
}
}

-->
</script>

</body>
</html>