Cookie common operations in JavaScript

//写cookies function setCookie(c_name, value, expiredays){   　　　　 var exdate= new Date(); 　　　　exdate.setDate(exdate.getDate() + expiredays); 　　　　document.cookie=c_name+ "=" + escape(value) + ((expiredays== null ) ? "" : ";expires=" +exdate.toGMTString());   　　}Write cookies (set scope)

function Setcookie (name,value) {
var days = 30;
var exp = new Date ();
Exp.settime (Exp.gettime () + days*24*60*60*1000);
let hostname = location.hostname.substring (Location.hostname.indexOf (".") +1)//Set as first-level domain name
Document.cookie = name + "=" + Escape (value) + "; expires=" + exp.togmtstring () + ";d omain=" +hostname+ ";p ath=/";
}

  //读取cookies function getCookie(name) {   var arr,reg= new RegExp( "(^| )" +name+ "=([^;]*)(;|$)" );     if (arr=document.cookie.match(reg))      return (arr[2]);   else    return null ; } //删除cookies function delCookie(name) {   var exp = new Date();   exp.setTime(exp.getTime() - 1);   var cval=getCookie(name);   if (cval!= null )    document.cookie= name + "=" +cval+ ";expires=" +exp.toGMTString(); }Delete Cookies (scoped) function delCookie(name){

var exp = new Date ();
var name = "Access_token";
Exp.settime (Exp.gettime ()-1);
var cval=getcookie (name);
if (cval!=null) {
let hostname = location.hostname.substring (Location.hostname.indexOf (".") +1)
document.cookie= name + "="; expires= "+exp.togmtstring () +";d omain= "+hostname+";p ath=/";
}

} //使用示例 setCookie( ‘username‘ , ‘Darren‘ ,30) alert(getCookie( "username" ));

Cookie common operations in JavaScript