单价:<input type="text" size="6" name="danjia[]" id="danjia" onblur="fx()"/>万
数量:<input type="text" size="6" name="shuliang[]" id="shuliang" onblur="fx()"/>
总价:<span id="zongjia"></span>元
<script>
function fx(){
var s=document.getElementById('danjia[]').value;
if(!s)return;
s=parseInt(s);
var c=document.getElementById('shuliang[]').value;
c=parseInt(c);
if(!c)return;
document.getElementById('zongjia').innerHTML=Math.round(s*c)
}
</script>我这个是数组,怎么让总价放到对应的总价td里
数量:<input type="text" size="6" name="shuliang[]" id="shuliang" onblur="fx()"/>
总价:<span id="zongjia"></span>元
<script>
function fx(){
var s=document.getElementById('danjia[]').value;
if(!s)return;
s=parseInt(s);
var c=document.getElementById('shuliang[]').value;
c=parseInt(c);
if(!c)return;
document.getElementById('zongjia').innerHTML=Math.round(s*c)
}
</script>我这个是数组,怎么让总价放到对应的总价td里
应为
var s=document.getElementById('danjia').value; var c=document.getElementById('shuliang[]').value;
应为
var c=document.getElementById('shuliang').value;
如果喜欢用的话可以这样写 var zj;
zj=$('#danjia').val()*$('#shuliang').val();
$('#zongjia').text(zj);
希望回答对你有帮助