Salve a tutti,
Ho un problema, vorrei che al check ed al uncheck di un mio input checkbox si checkano e uncheckano gli altri
codice:<script language="javascript"> function copiastato() { if (document.getElementById('manufacturer').checked==true) { document.getElementById('manufacturer1').checked=true; document.getElementById('manufacturer2').checked=true; document.getElementById('manufacturer3').checked=true; document.getElementById('manufacturer4').checked=true; } else { document.getElementById('manufacturer1').checked=false; document.getElementById('manufacturer2').checked=false; document.getElementById('manufacturer3').checked=false; document.getElementById('manufacturer4').checked=false; }; if (document.getElementById('Vendor').checked==true) { document.getElementById('Vendor1').checked=true; document.getElementById('Vendor2').checked=true; document.getElementById('Vendor3').checked=true; document.getElementById('Vendor4').checked=true; } else { document.getElementById('Vendor1').checked=false; document.getElementById('Vendor2').checked=false; document.getElementById('Vendor3').checked=false; document.getElementById('Vendor4').checked=false; }; } </script>Questo codice non mi funziona, la stessa cosa la vorrei per le select ma non so dove partire, mi da un input a riguardo. Ringrazio in anticipo.codice:<input type="checkbox" name="manufacturer" id="manufacturer" value="1" onClick="copiastato();">manufacturer <input type="checkbox" name="manufacturer1" id="manufacturer1" value="1" disabled>manufacturer1 <input type="checkbox" name="manufacturer2" id="manufacturer2" value="1" disabled>manufacturer2 <input type="checkbox" name="manufacturer3" id="manufacturer3" value="1" disabled>manufacturer3 <input type="checkbox" name="manufacturer4" id="manufacturer4" value="1" disabled>manufacturer4 <input type="checkbox" name="Vendor" id="Vendor" value="1" onClick="copiastato();">Vendor <input type="checkbox" name="Vendor1" id="Vendor1" value="1" disabled>Vendor1 <input type="checkbox" name="Vendor2" id="Vendor2" value="1" disabled>Vendor2 <input type="checkbox" name="Vendor3" id="Vendor3" value="1" disabled>Vendor3 <input type="checkbox" name="Vendor4" id="Vendor4" value="1" disabled>Vendor4

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