How to make type=“number” to positive numbers only

Question

currently I have the following code

it comes out to something like this

Answer 1

add this code in your input type;

onkeypress="return (event.charCode == 8 || event.charCode == 0 || event.charCode == 13) ? null : event.charCode >= 48 && event.charCode <= 57"

for example: