Javascript to validate minimum legth

Javascript to validate minimum legth

The below code will allow only two character

onkeypress="this.value= this.value.replace(/[^0-9]/g, '');return limitKeypress(event,this.value,2)"

function limitKeypress(event, value, maxLength) {
    if (value != undefined && value.toString().length >= maxLength) {
        event.preventDefault();
    }
}