How to disable TAB Key in web page using javascript | Sanwebcorner

How to disable TAB Key in web page using javascript

This is one of the simple trick to disable particular keys from keyboard in webpages using javascript, this is one of the way to avoid copying data from our website and etc..

But some of the keys are not working because that was browsers reserved keys, when user disable javascript from browser so these functionality is not working

For example i am taken TAB KEY , Now i will disable the tab keys using javascript.

Disable tab key using Javascript Code:

<title>keyboard disable test</title>
document.onkeydown = function (t) {
if(t.which == 9){
return false;
<h1>Now press Tab Key and check it...</h1>

<input type="text">
<input type="text">
<input type="text">
<input type="text">
<input type="text">
<input type="text">
<input type="text">
The 9 is the javascript key code for 'TAB KEY' the below i listed the key numbers and try to put those numbers also. But some of the browser reserved keys are not working.
Key Code
backspace 8
tab 9
enter 13
shift 16
ctrl 17
alt 18
pause/break 19
caps lock 20
escape 27
(space) 32
page up 33
page down 34
end 35
home 36
left arrow 37
up arrow 38
right arrow 39
down arrow 40
insert 45
delete 46
0 48
1 49
2 50
3 51
4 52
5 53
6 54
7 55
8 56
9 57
a 65
b 66
c 67
d 68
Key Code
e 69
f 70
g 71
h 72
i 73
j 74
k 75
l 76
m 77
n 78
o 79
p 80
q 81
r 82
s 83
t 84
u 85
v 86
w 87
x 88
y 89
z 90
left window key 91
right window key 92
select key 93
numpad 0 96
numpad 1 97
numpad 2 98
numpad 3 99
numpad 4 100
numpad 5 101
numpad 6 102
numpad 7 103
Key Code
numpad 8 104
numpad 9 105
multiply 106
add 107
subtract 109
decimal point 110
divide 111
f1 112
f2 113
f3 114
f4 115
f5 116
f6 117
f7 118
f8 119
f9 120
f10 121
f11 122
f12 123
num lock 144
scroll lock 145
semi-colon 186
equal sign 187
comma 188
dash 189
period 190
forward slash 191
grave accent 192
open bracket 219
back slash 220
close braket 221
single quote 222

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