1. //设置cookie
    2. document.cookie="address=1";
    1. //获取cookie的值
    3. document.cookie="userId=828"; 
    4. document.cookie="userName=hulk"; 
    5. //获取cookie字符串 
    6. var strCookie=document.cookie; 
    7. //将多cookie切割为多个名/值对 
    8. var arrCookie=strCookie.split("; "); 
    9. var userId; 
    10. //遍历cookie数组，处理每个cookie对 
    11. for(var i=0;i<arrCookie.length;i++){ 
    12. var arr=arrCookie[i].split("="); 
    13. //找到名称为userId的cookie，并返回它的值 
    14. if("userId"==arr[0]){ 
    15. userId=arr[1]; 
    16. break; 
    17. } 
    18. } 
    19. alert(userId); 
    20. //输出828