<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Test</title>
<style type="text/css">
body {
background-color: #F4E4F9;
}
</style>
<script type="text/javascript">
function sumup(ar){
var sum = 0;
// http://stackoverflow.com/questions/18074868/getelementsbyname-with-array-like-name
var ar_tal=document.querySelectorAll("input[name^='"+ar+"[']");
for(i=0, lng=ar_tal.length; i<lng;i++){
tal = (parseInt(ar_tal[i].value) ) ? ar_tal[i].value : 0 ;
sum += parseInt(tal);
}
return sum;
}
</script>
</head>
<body>
<p>
Test
</p>
<form action='sender.php' method='POST' id='form_indtast'>
<input type='text' name='tal[stald]'><br>
<input type='text' name='tal[mark]'><br>
<input type='text' name='tal[andet]'><br>
<input type='submit' ><br>
</form>
sum:<span id='total'>0 </span>
<form action='sender1.php' method='POST' id='form_nr'>
<input type='text' name='nr[tal_r]'><br>
<input type='text' name='nr[kat]'><br>
<input type='text' name='nr[mus]'><br>
<input type='submit' ><br>
</form>
sum:<span id='total_nr'>0 </span>
<script type="text/javascript">
var sum = 0;
var el = document.getElementById("form_indtast");
el.addEventListener("change", function() {
sum=sumup('tal');
document.getElementById('total').innerHTML = sum;
});
var elem = document.getElementById("form_nr");
elem.addEventListener("change", function() {
sum=sumup('nr');
document.getElementById('total_nr').innerHTML = sum;
});
</script>
</body>
</html>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Test</title>
<style type="text/css">
body {
background-color: #F4E4F9;
}
</style>
<script type="text/javascript">
function sumup(ar){
var sum = 0;
for(k=0, antal_arrays=ar.length; k<antal_arrays; k++){
array_name=ar[k];
// http://stackoverflow.com/questions/18074868/getelementsbyname-with-array-like-name
var ar_tal=document.querySelectorAll("input[name^='"+array_name+"[']");
for(i=0, lng=ar_tal.length; i<lng;i++){
tal = (parseInt(ar_tal[i].value) ) ? ar_tal[i].value : 0 ;
sum += parseInt(tal);
}
}
return sum;
}
</script>
</head>
<body>
<p>
Test
</p>
<form action='sender.php' method='POST' id='form_indtast'>
<input type='text' name='tal[stald]'><br>
<input type='text' name='tal[mark]'><br>
<input type='text' name='tal[andet]'><br>
<input type='text' name='nr[tal_r]'><br>
<input type='text' name='nr[hund]'><br>
<input type='text' name='nr[kat]'><br>
<input type='text' name='nr[mus]'><br>
<input type='submit' ><br>
</form>
sum:<span id='total'>0 </span>
<script type="text/javascript">
var sum = 0;
var el = document.getElementById("form_indtast");
el.addEventListener("change", function() {
sum=sumup(new Array('tal', 'nr') );
document.getElementById('total').innerHTML = sum;
});
</script>
</body>
</html>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Test</title>
<style type="text/css">
body {
background-color: #F4E4F9;
}
</style>
<script type="text/javascript">
function array_sum(ar){
var sum = 0;
// http://stackoverflow.com/questions/18074868/getelementsbyname-with-array-like-name
var ar_tal=document.querySelectorAll("input[name^='"+ar+"[']");
for(i=0, lng=ar_tal.length; i<lng;i++){
tal = (parseInt(ar_tal[i].value) ) ? ar_tal[i].value : 0 ;
sum += parseInt(tal);
}
return sum;
}
function sumup(ar, sub_ar){
var sum = 0;
for(k=0, antal_arrays=ar.length; k<antal_arrays; k++){
var sub_sum=0;
sub_sum=array_sum(ar[k]);
sum +=sub_sum;
document.getElementById(sub_ar[k]).innerHTML = sub_sum;
}
return sum;
}
</script>
</head>
<body>
<p>
Test
</p>
<form action='sender.php' method='POST' id='form_indtast'>
<input type='text' name='tal[stald]'><br>
<input type='text' name='tal[mark]'><br>
<input type='text' name='tal[andet]'><br>
<hr>
<input type='text' name='nr[tal_r]'><br>
<input type='text' name='nr[hund]'><br>
<input type='text' name='nr[kat]'><br>
<input type='text' name='nr[mus]'><br>
<input type='submit' ><br>
</form>
sub1 sum:<span id='sub1'>0 </span><br>
sub2 sum:<span id='sub2'>0 </span><br>
total sum:<span id='total'>0 </span><br>
<script type="text/javascript">
var sum = 0;
var el = document.getElementById("form_indtast");
el.addEventListener("change", function() {
sum=sumup( new Array('tal', 'nr'), new Array('sub1', 'sub2') );
document.getElementById('total').innerHTML = sum;
});
</script>
</body>
</html>
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