大师们好:我想要复选框中选中的value值显示到输入框中,改怎么弄,谢谢!
<form id="form" method="post"><input type="text" value=" " name="originalprice"/><!--输入框--><input type="checkbox" value="news" name="box[]" />
<input type="checkbox" value="music" name="box[]" />
<input type="checkbox" value="read" name="box[]" />
<input type="checkbox" value="global" name="box[]" /></form>
改怎么写代码,来控制,谢了!
<form id="form" method="post"><input type="text" value=" " name="originalprice"/><!--输入框--><input type="checkbox" value="news" name="box[]" />
<input type="checkbox" value="music" name="box[]" />
<input type="checkbox" value="read" name="box[]" />
<input type="checkbox" value="global" name="box[]" /></form>
改怎么写代码,来控制,谢了!
<input type="text" value=" " name="originalprice" />
<input type="checkbox" value="news" name="box[]" />
<input type="checkbox" value="music" name="box[]" />
<input type="checkbox" value="read" name="box[]" />
<input type="checkbox" value="global" name="box[]" />
</form>
<script type="text/javascript">
var obj = document.getElementsByName('box[]');
for (var i = 0; i < obj.length; i ++) obj[i].onclick = function() {
var ar = [];
for (var j = 0; j < obj.length; j ++) if (obj[j].checked) ar.push(obj[j].value);
document.getElementsByName('originalprice')[0].value = ar.join('/');
}
</script>
<input type="text" value=" " name="originalprice" id='ipt'/><!--输入框-->
<input type="checkbox" value="news" name="box[]" onclick='setValue(this)' />
<input type="checkbox" value="music" name="box[]" onclick='setValue(this)'/>
<input type="checkbox" value="read" name="box[]" onclick='setValue(this)'/>
<input type="checkbox" value="global" name="box[]" onclick='setValue(this)'/>
</form>
<script type='text/javascript'>
var result = {};
function setValue(el)
{
var array = [];
if(el.checked) result[el.value] = el.value;
else delete result[el.value];
for(var key in result) array.push(key)
document.getElementById('ipt').value = array.join('/')
}
</script>