2005/10/06
var _modified = false; function addRow() { var table = document.getElementById("SampleTable"); var row = table.insertRow(table.rows.length); row.insertCell(0).innerHTML = "<select name='numbers'>" + "<option value='1'>1" + "<option value='2'>2" + "<option value='3'>3" + "</select>"; row.insertCell(1).innerHTML = "<input type='text' name='message' size='16em' value='' />"; attachOnchangeEvent(); } function deleteRow() { var table = document.getElementById("SampleTable"); var delIndex = table.rows.length-1; if (delIndex > 0) { table.deleteRow(delIndex); } } function checkModified() { if (_modified) { alert("変更されています。"); } else { alert("変更されていません。"); } } function modified() { _modified = true; } function attachOnchangeEvent() { var controls = myForm.elements; for (var i=0; i<controls.length; i++) { if (controls[i].onchange == null) { type = controls[i].type; if ( type == "text" || type == "select-one" || type == "checkbox" || type == "textarea" || type == "radio") { controls[i].onchange = modified; } } } }