js使用for循環與innerHTML獲取選中tr下td值

 function getParentEl (el, tagName) {

if (!el) return el;    do { el = el.parentNode; } while(el && el.tagName !== tagName);    return el; }    function temp(){ //得到選中row的value值 var temp=document.getElementsByName('id'); for(var i=0;i<temp.length;i++){ if(temp[i].checked==true){ edit=temp[i].value; var tr = getParentEl(temp[i], 'TR'); var tds = tr.cells; for (var j = 0; j < tds.length; j++) { var tdInner = tds[j].innerHTML; alert(tdInner); } } } }