table 隔列（行）换色效果让表格结构更清淅

<！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=utf-8" /> <title>table 隔列换色效果</title> <style> #test{ background-color:#C96; text-align:center; line-height:2em;} .over{background-color:#fff;} .out{background-color:#F1F1F1;} </style> <script> window.onload = function（）{ //returnColor（"test"）; setColor（"test"）; } function setColor（id） { var trs=document.getElementById（id）.getElementsByTagName（"tr"）; for（var i=0; i<trs.length; i++） { var tds = trs[i].getElementsByTagName（"td"）; for（var j=0; j<tds.length; j++） { if（j%2==1） { tds[j].className="over"; } else { tds[j].className="out"; } } } } </script> </head> <body> <table width="50%" border="0" cellspacing="1" cellpadding="0" id="test"> <tr> <td>0 </td> <td>1 </td> <td>2 </td> <td>18</td> </tr> <tr> <td>3 </td> <td>4 </td> <td>5 </td> <td>19</td> </tr> <tr> <td>6 </td> <td>7 </td> <td>8 </td> <td>20</td> </tr> <tr> <td>9</td> <td>10</td> <td>11</td> <td>21</td> </tr> <tr> <td>12</td> <td>13</td> <td>14</td> <td>22</td> </tr> <tr> <td>15</td> <td>16</td> <td>17</td> <td>23</td> </tr> <tr> <td>27</td> <td>26</td> <td>25</td> <td>24</td> </tr> </table> </body> </html>

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