table 新增 行

  var currentTbl = document.getElementById('tbData');
 var lastRowNum = currentTbl.rows.length;
 var trNew = currentTbl.insertRow(lastRowNum);

 

 addCheckbox(trNew, 0, 'checkbox' + lastRowNum);
 addText(trNew, 1, 'txt' + lastRowNum);

addSelect(trNew, 2, 'select' + lastRowNum);

 

function addText(trNew, cellNum, ckbName) {
 var cell = trNew.insertCell(cellNum);
 cell.className = 'td';
 cell.align = 'center';
 
 var element = document.createElement('input');
 element.type = 'text';
 element.name = ckbName;
 element.id = ckbName;
 
 cell.appendChild(element);
}

function addCheckbox(trNew, cellNum, ckbName) {
 var cell = trNew.insertCell(cellNum);
 cell.className = 'td';
 cell.align = 'center';
 
 var element = document.createElement('input');
 element.type = 'checkbox';
 element.name = ckbName;
 element.id = ckbName;
 element.value = 'checkbox';
 
 cell.appendChild(element);
}

function addSelect(trNew, sltNum, lastRowNum) {
 var cell = trNew.insertCell(sltNum);
 cell.className = 'td';
 cell.align = 'center';
 
 var element = document.createElement('select');
 element.name = 'select'+lastRowNum;
 element.id = 'select'+lastRowNum;  
 element.className = 'Select80';
 element.options[0] = new Option('  -全部-', '-');

 
 cell.appendChild(element);
}