stopping form submit if the validation fails.

Question

I am validating the dates in below function. If the validation fails, then the form should not get submitted. I tried returning false in form onsubmit but it still gets subm

Answer 1

return is not going to stop the form from submit if its called in a subfunction e.g. compare(sDate, eDate)

so change your function to this

function dateCheck(e){

  var start = document.getElementById('name3').value;
  var end = document.getElementById('name4').value;
  if(compare(start, end)) {
    // no error submit i guess
    // return true ?
  } else {
    // error with date compare
    return false;
  }
  end.focus();

}