PHP数组求差,isset与array_key_exists的效率
用JS完成复选框checkbox的全选反选删除确认
2009
11:22
1720
0
js判断复选框checkbox数组是否被选中
<script>
function test()
{
var x=document.getElementsByName("enjoy[]");
var issel=false;
for(var i=0;i<x.length;i++)
{
if(x[i].checked)
{
issel=true;
return issel;
}
}
return issel;
}
</script>
<body>
<form id="form1" name="form1" method="post" action="">
<input type="checkbox" name="enjoy[]" id="enjoy[]" />
吃
<input type="checkbox" name="enjoy[]" id="enjoy[]" />
喝
<input type="submit" name="button" id="button" onclick="alert(test());" value="提交" />
</form>
<script>
function test()
{
var x=document.getElementsByName("enjoy[]");
var issel=false;
for(var i=0;i<x.length;i++)
{
if(x[i].checked)
{
issel=true;
return issel;
}
}
return issel;
}
</script>
<body>
<form id="form1" name="form1" method="post" action="">
<input type="checkbox" name="enjoy[]" id="enjoy[]" />
吃
<input type="checkbox" name="enjoy[]" id="enjoy[]" />
喝
<input type="submit" name="button" id="button" onclick="alert(test());" value="提交" />
</form>
作者：noel@淘宝网女装新款秋装连衣裙裤子外套上衣_2012时尚女装新款 Ecmall二次开发-PHP技术
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