【问题3】(5 分)
该网站购物车模块负面脚本语言是JavaScript,用户订购信息临时存在cookie中,下面是购物车页面中读取cookie值的函数,请完成该程序。
<script. language="javascript”>
……
function readCookie(name)
{
var cookieValue = ””;
var search= (8) +”=”;
if(document.cookie.(9)> 0)
{
start= document.cookie.indexOf(search);
if(start!=-1)
{
start += search.length;
end = document.cookie.indexOf(";”,start);
if(end = = -1)
end=document.cookie.length;
cookieValue = document.cookie.substring((10), (11))
}
}
return(12);
……
</script>