Answers for "input number only positive"

update composer mac

#mac
composer self-update

update composer mac

#Ubuntu-Download Composer and create a Phar (PHP Archive) file
$ curl -s https://getcomposer.org/installer | php

#Move it to bin directory
$ sudo mv composer.phar /usr/local/bin/composer

html input integer and positive

<input type="number" min="0" step="1" />

input positive numbers only

<input type="text" onkeypress="return (event.charCode == 8 || event.charCode == 0 || event.charCode == 13) ? null : event.charCode >= 48 && event.charCode <= 57" name="itemConsumption" />
                   ^------------....
//copy the onkeypress function :D