我想在JavaScript發送郵件的移動應用程序，但它不工作

<script> 
    function sendMail() { 
     debugger; 
     var link = 'mailto:[email protected]' 
     + document.getElementById('Email').value 
     + '&body=' + document.getElementById('Email').value; 
     window.location.href = link; 
    } 
</script>

上面的代碼是我發送我想在JavaScript發送郵件的移動應用程序，但它不工作

<form> 
    <div class="input-main"> 
      <span class="glyphicon glyphicon-user" aria-hidden="true"> </span> 
      <input type="text" value="Name" onfocus="this.value = '';" onblur="if (this.value == '') {this.value = 'Name';}"> 
    </div> 
    <div class="input-main"> 
      <span class="glyphicon glyphicon-envelope" aria-hidden="true"></span> 
      <input type="text" value="Email" onfocus="this.value = '';" onblur="if (this.value == '') {this.value = 'Email';}"> 
    </div> 
    <div class="input-main"> 
      <span class="glyphicon glyphicon-phone" aria-hidden="true"></span> 
      <input type="text" value="Phone" onfocus="this.value = '';" onblur="if (this.value == '') {this.value = 'Phone';}"> 
    </div> 
    <textarea onfocus="this.value = '';" onblur="if (this.value == '') {this.value = 'Messages';}">Messages</textarea> 
    <input type="submit"id="Email" onclick="sendMail()" value="Send"> 

</form>

此功能可以code.I正在使用JavaScript和HTML 3東西我送......在上述程序