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<ul>
<li> <div class="time"> at 2011-02-05 17:44:28</div></li>
<li> <div class="time"> at 2011-02-05 17:40:20</div></li>
<li> <div class="time"> at 2011-02-05 17:15:11</div></li>
<li> <div class="time"> at 2011-02-05 17:04:14</div></li>
<li> <div class="time"> at 2011-02-05 15:54:56</div></li>
</ul>
//Reformat timeStamps
var timeIndex = 0;
while (timeIndex < 51)
{
var timeIndexHTML = document.getElementsByClassName("time")[timeIndex].innerHTML;
timeIndexHTML = "Reformatted time";
document.getElementsByClassName("time")[timeIndex].innerHTML = timeIndexHTML;
timeIndex++;
}
如何檢測類的最後一個元素,然後使51變量?簡單DOM類選擇器
//
//*****************************EDITS HERE**************************************
//
//Example:
var LAST_ELEMENT_OF_CLASS = someMagicCode("time");
然後
while (timeIndex < LAST_ELEMENT_OF_CLASS +1){...}
注意它目前並沒有因爲它試圖評估
document.getElementsByClassName("time")[5]
不存在
是什麼「然後讓51變」呢? – yankee 2011-02-06 02:33:24