function checkamount() {
//document.getElementById("loding").innerHTML = '<img src="loading.gif" />';
alert("arg");
var qty = document.getElementById("qty");
if (qty != strAmount) {
alert("qty=[" + qty + "]\n" + "strAmount=[" + strAmount + "]");
strAmount = qty;
var url = "ProductServlet?qty=" + qty;
xmlHttp = createXmlHttp();
xmlHttp.onreadystatechange = callback;
xmlHttp.open("GET", url);
xmlHttp.send(null);
}
} 那請問一下我checkamount 裡面加了i,那我在var qty = document.getElementById("qty"); 這邊如何也可以隨者div變數而作改變呢??? |