Change quantity-input type

[amet123]

Hi

i want to Change quantity-input type so no body can add alphabet or special character in quantity feild during add to cart

thanks

[PRO]

what happens when they try and change it to character other than integer?

[amet123]

i just want, no body add alphabet or any special charterer in input field . rest input field working fine

[Milbo]

?
It is anyway called to integer.