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Last active August 29, 2015 13:59
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フォームの未入力をチェックする
function radioChk(name)
{
var elements;
var len;
var i;
elements = document.getElementsByName(name);
if (elements) {
len = elements.length;
for (i = 0; i < len; i ++) {
if (elements[i].checked) {
return true;
}
}
}
return false;
}
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