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| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="fr">
<head>
<title>test d'un radio</title>
<meta http-equiv="Content-type" content="text/html; charset=UTF-8" />
<style type="text/css">
</style>
</head>
<body>
<form id="f1" action="" method="post">
<label for="r1">r1</label><input id="r1" name="r" type="radio" value="1" />
<label for="r2">r2</label><input id="r2" name="r" type="radio" value="2" />
<label for="r3">r3</label><input id="r3" name="r" type="radio" value="3" />
</form>
<script type="text/javascript">
var Utils = {
Evenement: {
ajouter: function(elm, evt, fn) {
if (document.addEventListener) {
if (elm.length === undefined) {
elm.addEventListener(evt, function(e) {
fn(e)
}, false);
} else {
for (var i = 0, imax = elm.length; i < imax; i++) {
elm[i].addEventListener(evt, function(e) {
fn(e)
}, false);
}
}
} else if (document.attachEvent) {
if (elm.length === undefined) {
elm.attachEvent("on" + evt, fn);
} else {
for (var i = 0, imax = elm.length; i < imax; i++) {
elm[i].attachEvent("on" + evt, fn);
}
}
}
}
},
Filtre: {
r: function() {
var r;
var elms = document.getElementsByName("r");
for (var i=0,imax=elms.length; i<imax; i++) {
if (elms[i].checked) { //----- condition fautive?
r = elms[i].value;
}
}
return r;
}()
}
}
Utils.Evenement.ajouter(document, "click", function(e) {
var elm = e.target || event.srcElement;
if (elm.name=="r") {
alert(Utils.Filtre.r); //----- alerte affichant undefined
var r;
var elms = document.getElementsByName("r");
for (var i=0,imax=elms.length; i<imax; i++) {
if (elms[i].checked) {
r = elms[i].value;
}
}
alert(r); //----- alerte affichant la valeur du bouton radio
}
});
</script>
</body>
</html> |
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