-1
var dl=document.getElementById("rptImages");
var rowArray = dl.getElementsByTagName('tr');
if (rowArray.length <= 0)
{
alert('No data in DataList');
}
但在這個號碼時在Datalist中沒有數據,我收到錯誤消息'getElementsByTagName' is undefined or null reference.
'if(rowArray.length === 0)' – synthet1c
@ synthet1c'rowArray.length <= 0'做同樣的事情 – Mahi