DB
Size: a a a
DB
А
document.getElementsByName(document.form1.t1).addEventListener('change', areaRec);
document.getElementsByName(document.form1.t2).addEventListener('change', console.log('123'));
document.getElementsByName(document.form1.t3).addEventListener('change', areaRec);
function areaRec(){
console.log('321');
var a=document.form1.t1.val();
var b=document.form1.t2.val();
var c=document.form1.t2.val();
var s=((a+b+c)/3);
document.form1.res.val(s);
}
<td name="t1">{{ form.dry_layer_thickness_1 }}</td>
<td name="t2">{{ form.dry_layer_thickness_2 }}</td>
<td name="t3">{{ form.dry_layer_thickness_3 }}</td>
<td name="res">{{ form.dry_layer_thickness_sr }}</td>
V💊
DB
DB
V💊
DB
V💊
DB
DB
V💊
DB
V💊
DB
DB
f"{firstname+secondname if secondname else firstname}..."
V💊
f"{firstname+secondname if secondname else firstname}..."
DB
DB
PB
f"{firstname+secondname if secondname else firstname}..."
V💊