<div class="jb51code">
<pre class="brush:js;">
var items = document.getElementsByName("spec_spec_1[]");
alert(items.length);
for (i = 0; i < items.length; i++) {
if(items[i].value==''){
alert('名称不能为空');
}
}
<div class="jb51code">
<pre class="brush:js;">
var items = document.getElementsByName("spec_spec_1[]");
alert(items.length);
for (i = 0; i < items.length; i++) {
if(items[i].value==''){
alert('名称不能为空');
}
}
