Javascript总计和总总计
超级新的和正在学习的尝试和做一个小型汽车项目的网站!我真的很难让底部的代码将复选框创建的所有值相加Javascript总计和总总计,javascript,html,totals,Javascript,Html,Totals,超级新的和正在学习的尝试和做一个小型汽车项目的网站!我真的很难让底部的代码将复选框创建的所有值相加 <script type="text/javascript"> function checkTotalExtras() { document.extras.total.value = ''; var sum = 0; for (i=0;i<document.extras.choice
<script type="text/javascript">
function checkTotalExtras() {
document.extras.total.value = '';
var sum = 0;
for (i=0;i<document.extras.choice.length;i++) {
if (document.extras.choice[i].checked) {
sum = sum + parseInt(document.extras.choice[i].value);
}
}
document.extras.total.value = sum;
}
函数checkTotalExtras(){
document.extras.total.value='';
var总和=0;
对于(i=0;i
function DisplaySum() {
var sum1 = checkTotalExtras();
document.getElementById('document.extras.total.value').value = sum1;
var total = sum1
}
</script>
<div>
<form name="DisplaySum" style="width: 438px; margin-left: 12px;"> Total: <input
size="5" name="sum1" value="0" type="text"></form>
</div>
</body>