Thread Values mehrerer Checkboxen addieren? (17 answers)
Opened by Gast at 2005-01-25 18:00

renee
 2005-01-26 10:05
#24293 #24293
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2003-08-04
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Eine reine JavaScript-Lösung:
Code: (dl )
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<html>
<head>
<script type="text/javascript">
function addValues(){
var sum = 0;
for(var i = 0; i < document.forms[0].length; ++i){
if(document.forms[0].elements[i].type == "checkbox" && document.forms[0].elements[i].checked){
sum += (document.forms[0].elements[i].value * 1);
}
}
document.forms[0].ausgabe.value = sum;
}
</script>
</head>
<body>
<form name="test">
<input type="checkbox" value="5" onClick="addValues();">1<br />
<input type="checkbox" value="5" checked onClick="addValues();">2<br />
<input type="checkbox" value="5" checked onClick="addValues();">3<br />
<input type="checkbox" value="5" checked onClick="addValues();">4<br />
<input type="checkbox" value="5" checked onClick="addValues();">5<br />
<input type="checkbox" value="5" checked onClick="addValues();">6<br />
<input type="text" name="ausgabe">
</form>
</body>
</html>
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