Why is the Bitrix form not sent?

Question

JavaScript

Good afternoon
everyone I tried to attach validation to the Bitrix form, validation passes, but for some reason only with 2 clicks, and the form stopped sending at all
With JS, I’m really bad, I hope someone can help

$("form[name='SIMPLE_FORM_5'] input[name='web_form_submit']").on('click',function(e){
    e.preventDefault();
    var resName = validateName('form[name="SIMPLE_FORM_5"] input[name="form_text_14"]');
    var validateTel = validateTel('form[name="SIMPLE_FORM_5"] input[name="form_text_15"]');
    var resText = validateText('form[name="SIMPLE_FORM_5"] textarea[name="form_textarea_16"]',6);
    var res = resName && validateTel && resText;
    if(!res){
      return false;
    }

    var Form = $(this).parents('form').serialize();
    var FormUrl = $(this).parents('form').attr('action');
    $.ajax({
      type:'post',
      url:FormUrl,
      beforeSend:function(){
        BX.showWait();
      },
      data:Form,
      success:function(data){
        if(data !== ""){
          if($(data).find('.errortext').length > 0){
            $('form[name="SIMPLE_FORM_5"] div.errormess').remove();
            $('form[name="SIMPLE_FORM_5"]').prepend("<div class='errormess'>" + $(data).find('.errortext').text() + "</div>");
          }else{
              $('form[name="SIMPLE_FORM_5"] input[name="form_text_14"]').val("");
              $('form[name="SIMPLE_FORM_5"] input[name="form_text_15"]').val("");
              $('form[name="SIMPLE_FORM_5"] textarea[name="form_textarea_16"]').val("");
              $('form[name="SIMPLE_FORM_5"]').prepend("<div class='success'>Благодарим Вас за сообщение!</div>");
            setTimeout(function(){
              $('form[name="SIMPLE_FORM_5"]').find('.success').remove();
            },3000)
          }
        } 
      BX.closeWait();
      }

    });

  })