Javascript动态添加标签 <html><head><script>...var i = 0;function add() ...{ i++; var tbl = document.all.tbl; var tr = tbl.insertRow(); var td = tr.insertCell(); td.innerHTML = "<input name='dd' value = 'dd"+i+"'>"}</script></head><body><form method=post><table id=tbl><tr><td><input name="dd" value = "dd0"></td></tr></table><INPUT TYPE="button" value="add" onclick="add()"><INPUT TYPE="submit" value="submit"></form></html>