function sumPrice() {
var sum_all = 0;
var num_sum = 0; for (var i = 0; i < num; i++) {
if(document.getElementById("deposit"+i)!=null) {
var sum = Math.round(document.getElementById("pprice" + i).value *
document.getElementById("pnum" + i).value * document.getElementById("deposit" + i).value ); document.getElementById("psum" + i).innerHTML = sum;
num_sum += Math.round(document.getElementById("pnum" + i).value);
sum_all += sum;
}}document.getElementById("pamountsum").innerHTML = sum_all;
document.getElementById("pnumsum").innerHTML = num_sum;
document.getElementById("money").value = sum_all;
}<input type="hidden" name="money" value="" />js报错说document.getElementById("money").value = sum_all;值为null或未定义JavaScriptHTMLweb
var sum_all = 0;
var num_sum = 0; for (var i = 0; i < num; i++) {
if(document.getElementById("deposit"+i)!=null) {
var sum = Math.round(document.getElementById("pprice" + i).value *
document.getElementById("pnum" + i).value * document.getElementById("deposit" + i).value ); document.getElementById("psum" + i).innerHTML = sum;
num_sum += Math.round(document.getElementById("pnum" + i).value);
sum_all += sum;
}}document.getElementById("pamountsum").innerHTML = sum_all;
document.getElementById("pnumsum").innerHTML = num_sum;
document.getElementById("money").value = sum_all;
}<input type="hidden" name="money" value="" />js报错说document.getElementById("money").value = sum_all;值为null或未定义JavaScriptHTMLweb
这里加个id="money"id和name不加区分是Ie定的乡规,别的浏览器不支持。
document.getElementByName("money").value = sum_all;