日期:2014-05-16 浏览次数:20473 次
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title> New Document </title> <meta name="Generator" content="EditPlus"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> </head> <body> <table border="0" cellspacing="0" cellpadding="0"> <tbody id="tbody"> <tr> <td><input type="text" name="text1" /></td> <td><input type="text" name="text2" /></td> <td><select name="select"> <option>item1</option> <option>item2</option> <option>item3</option> <option>item4</option> <option>item5</option> </select></td> <td><input type="button" value="Remove" onclick="removeRow(this.parentNode.parentNode)"></td> </tr></tbody> </table> <input name="button" type="button" value="Add row" onclick="addRow()"> <script> function addRow() { var root = document.getElementById("tbody"); var allRows = root.getElementsByTagName('tr'); var cRow = allRows[0].cloneNode(true) root.appendChild(cRow); } function removeRow(r) { var root = r.parentNode; var allRows = root.getElementsByTagName('tr') if(allRows.length>1) root.removeChild(r); else alert("only one row left, you not need to remove it."); } </script> </body> </html>