EN
JavaScript - safe ASCII characters in request parameters in URL
11 points
In this short article we would like to show how to print all safe ASCII characters that we are able to use in request parameters in URL.
Runnable code:
xxxxxxxxxx1
console.log('[NO]\t[CHAR]\t[BINARY]\n\n');2
3
for (let i = 0, n = 0; i < 256; ++i) {4
var char = String.fromCharCode(i);5
var safeChar = encodeURIComponent(char);6
if (char === safeChar) {7
n += 1;8
console.log(n + '\t' + char + '\t' + i.toString(2));9
}10
}Full list:
xxxxxxxxxx1
[NO] [CHAR] [BINARY]2
3
1 ! 1000014
2 ' 1001115
3 ( 1010006
4 ) 1010017
5 * 1010108
6 - 1011019
7 . 10111010
8 0 11000011
9 1 11000112
10 2 11001013
11 3 11001114
12 4 11010015
13 5 11010116
14 6 11011017
15 7 11011118
16 8 11100019
17 9 11100120
18 A 100000121
19 B 100001022
20 C 100001123
21 D 100010024
22 E 100010125
23 F 100011026
24 G 100011127
25 H 100100028
26 I 100100129
27 J 100101030
28 K 100101131
29 L 100110032
30 M 100110133
31 N 100111034
32 O 100111135
33 P 101000036
34 Q 101000137
35 R 101001038
36 S 101001139
37 T 101010040
38 U 101010141
39 V 101011042
40 W 101011143
41 X 101100044
42 Y 101100145
43 Z 101101046
44 _ 101111147
45 a 110000148
46 b 110001049
47 c 110001150
48 d 110010051
49 e 110010152
50 f 110011053
51 g 110011154
52 h 110100055
53 i 110100156
54 j 110101057
55 k 110101158
56 l 110110059
57 m 110110160
58 n 110111061
59 o 110111162
60 p 111000063
61 q 111000164
62 r 111001065
63 s 111001166
64 t 111010067
65 u 111010168
66 v 111011069
67 w 111011170
68 x 111100071
69 y 111100172
70 z 111101073
71 ~ 1111110