0 toString()     : 0
0 toLocaleString : 0
1 toString()     : 1
1 toLocaleString : 1
2 toString()     : -1
2 toLocaleString : -1
3 toString()     : 12345678
3 toLocaleString : 12,345,678
4 toString()     : 10.23344
4 toLocaleString : 10.233
5 toString()     : -1.2345
5 toLocaleString : -1.234
6 toString()     : NaN
6 toLocaleString : NaN
7 toString()     : Infinity
7 toLocaleString : Infinity
8 toString()     : -Infinity
8 toLocaleString : -Infinity
9 toString()     : 11111111222
9 toLocaleString : 11,111,111,222
10 toString()     : hello
10 toLocaleString : hello
11 toString()     : helloworld
11 toLocaleString : helloworld
12 toString()     : false
12 toLocaleString : false
13 toString()     : true
13 toLocaleString : true
14 toString()     : [object Object]
14 toLocaleString : [object Object]
15 toString()     : 20
15 toLocaleString : 10
16 toString()     : 30
16 toLocaleString : 30
17 toString()     : 60
17 toLocaleString : 50
18 toString()     : Thu Oct 24 1974 00:20:30 GMT-0700 (Pacific Daylight Time)
18 toLocaleString : 10/24/1974 12:20:30 AM
19 toString()     : array a1
19 toLocaleString : 10.00, 20.00
20 toString()     : 10.123,20.456
20 toLocaleString : 10.12, 20.46
21 toString()     : 12345678912345678
21 toLocaleString : 12,345,678,912,345,700
22 toString()     : 1
22 toLocaleString : 1
arr.toString()     : 1,0,1,-1,12345678,10.23344,-1.2345,NaN,Infinity,-Infinity,11111111222,hello,helloworld,false,true,[object Object],20,30,60,Thu Oct 24 1974 00:20:30 GMT-0700 (Pacific Daylight Time),array a1,10.123,20.456,12345678912345678,1,,,,20,,LastValue!!
arr.toLocaleString : 1.00, 0.00, 1.00, -1.00, 12,345,678.00, 10.23, -1.23, NaN, Infinity, -Infinity, 11,111,111,222.00, hello, helloworld, false, true, [object Object], 10, 30, 50, 10/24/1974 12:20:30 AM, 10.00, 20.00, 10.12, 20.46, 12,345,678,912,345,678.00, 1.00, , , , 20.00, , LastValue!!
arr1.toString()     : ,,,,,,
arr1.toLocaleString : , , , , , ,