多行 <td><input value=""/></td> 的值

var feeTypeNameArr = [];//费用类型(一级分类)
var feeMaintainNameArr = [];//费用维度（二级分类）
var isValidArr=[];//是否生效
var tr=document.getElementsByName('tr2'); //得到多少行
var isvalidVal = document.getElementsByName("isvalid");
for(var i=0;i<tr.length;i++){
var tds = tr[i].cells;
feeTypeNameArr.push(tds[3].firstChild.value);
feeMaintainNameArr.push(tds[4].firstChild.value);
if(isvalidVal[i].checked){
isValidArr.push(tds[5].firstChild.value="1");
}else{
isValidArr.push(tds[5].firstChild.value="2");
}
}

<img src="https://img-blog.csdn.net/20160105103922406?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />