Tip: you can modify some code before running
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>Untitled Document</title></head><body><script language="javascript">// Global variable, which represents the number of file domains, and uses this variable to distinguish the name attribute var file_count = 0 of the file domain; // add the file domain function additem (id) {if (file_count> 9) {alert ("u22810 10 u25991 u22495"); return ;}// defines the row variable row; cell variable cell; cell content variable str. Var row, cell, str; // Insert a row = eval ("document. all ["+ '"' + id + '"' +"] "). insertRow (); if (row! = Null) {// sets the row background color row. bgColor = "white"; // insert cell = row in the row. insertCell (); // Set the str value, including a file domain and a delete button str ='<input onselectstart="return false" class="tf" onpaste="return false" type="file" name="file[' + file_count + ']" onkeydown="return false;"/>'; Str + ="<input type="+'"'+"button"+'"'+" value="+'"'+"删除"+'"'+" onclick='deleteitem(this,"+'"'+"tb"+'"'+");'>"; // Add file_count ++ to the number of file fields; // Set the innerHTML of the cell to the content cell of str. innerHTML = str ;}}// delete the file domain function deleteitem (obj, id) {var rowNum, curRow; curRow = obj. parentNode. parentNode; rowNum = eval ("document. all. "+ id ). rows. length-1; eval ("document. all ["+ '"' + id + '"' +"] "). deleteRow (curRow. rowIndex); file_count --;}</script>Html code:<input type=button value="增加" onclick='additem("tb")'/><br/> <table cellspacing="0" id="tb" > </table></body></html>
Tip: you can modify some code before running
