How much is this output?

var n = 1;
function test(){
    var n = n+1;
    alert(n);
};
test();
Mar.13,2022

var n = 1;
function test(){
    var n; // undefined
    n = n + 1; // undefined + 1 => NaN
    alert(n);
};
test();
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e446e2-4c1bc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e446e2-4c1bc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?