ck - 経済統計練習帳

function sample(){
 
var cc=document.cookie;
 
alert(cc);
 
cc = cc + "600";
if (cc == "600") document.cookie =f();
 
 
}
function f(){
 
    str = "";
for(s=1;s<11;s++){
str=str+randabc();    
}
 
return str;
 
}
 
function randabc(){
 
n1=5*Math.random();
n2=Math.floor(n1)+1;
cc = "";
if (n2 == 1) cc = "a";
if (n2 == 2) cc = "b";
if (n2 == 3) cc = "c";
if (n2 == 4) cc = "d";
if (n2 == 5) cc = "e";
return cc;
}