i am making a purchase sheet in html ,it contain names of
product(by selecting checkboxes),quantity(textbox) and
price(checbox), by using java script i am restricting the
user to prevent them to enter the wrong data ,so i made the
servlet were i am only able to prevent them to enter the
page in empty field , so my doubt is how do you prevent them
how to enter non numerical data in quantity field

Answer Posted / vijay

this below code is implemented to avoid special-char in a text field...do some change's to avoid char....


!(/^[A-zÑñ0-9-\s]*$/i).test(f.value)?f.value = f.value.replace(/[^A-zÑñ0-9-\s]/ig,''):null;


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