Form html mengarah ke whatsapp

WAFormWithOption.html

<div id="contact" class="contact">
         <div class="container">
            <div class="row">
               <div class="col-md-6">
                 
                <form class="whatsapp-form">
                <div class="datainput">
                <input class="validate" id="wa_name" name="name" required="" type="text" value=''/>
                <span class="highlight"></span><span class="bar"></span>
                <label>Your Name</label>
                </div>
                <div class="datainput">
                <input class="validate" id="wa_email" name="email" required="" type="email" value=''/>
                <span class="highlight"></span><span class="bar"></span>
                <label>Email Address</label>
                </div>
                <div class="datainput">
                <select id="wa_select">
                  <option hidden='hidden' value='default'>Select Option</option>
                  <option value="1" selected='selected'>Tanya CS</option>
                  <option value="2">Kunjungan</option>
                  <option value="3">Kerjasama</option>
                  <option value="4">Dukungan Garansi</option>
                </select>
                </div>

                <div class="datainput">
                <textarea id='wa_textarea' placeholder='' maxlength='5000' row='1' required=""></textarea>
                <span class="highlight"></span><span class="bar"></span>
                <label>Isi Pesan</label>
                </div>
                <a class="send_form" href="javascript:void" type="submit" title="Send to Whatsapp">Send to Whatsapp</a>
                <div id="text-info"></div>
                </form>

                  
               </div>
            </div>
         </div>

<script>
	  $(document).on('click','.send_form', function(){
var input_blanter = document.getElementById('wa_email');

/* Whatsapp Settings */
var walink = 'https://web.whatsapp.com/send',
    phone = '62856xxxxxx',
    walink2 = 'Halo saya mengirim whatsapp dari website www.aksaraoptik.com ',
    text_yes = 'Terkirim.',
    text_no = 'Isi semua Formulir lalu klik Send.';

/* Smartphone Support */
if (/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)) {
var walink = 'whatsapp://send';
}

if("" != input_blanter.value){

 /* Call Input Form */
var input_select1 = $("#wa_select :selected").text(),
    input_name1 = $("#wa_name").val(),
    input_email1 = $("#wa_email").val(),
    input_number1 = $("#wa_number").val(),

    input_textarea1 = $("#wa_textarea").val();

/* Final Whatsapp URL */
var blanter_whatsapp = walink + '?phone=' + phone + '&text=' + walink2 + '%0A%0A' +
    '*Nama* : ' + input_name1 + '%0A' +
    '*Email* : ' + input_email1 + '%0A' +
    '*Select Option* : ' + input_select1 + '%0A' +
    
    '*Isi Pesan* : ' + '%0A' + input_textarea1 + '%0A';

/* Whatsapp Window Open */
window.open(blanter_whatsapp,'_blank');
document.getElementById("text-info").innerHTML = '<span class="yes">'+text_yes+'</span>';
} else {
document.getElementById("text-info").innerHTML = '<span class="no">'+text_no+'</span>';
}
});
                 </script>