Cocok juga utk Blog / Web yg ada layanan Customer Service nya.
1. CSS
Copy Kode di bawah ini , lalu pastekan di atas ]]><b:skin> atau <style>
#whatsapp-chat{position:fixed;background:#fff;width:350px;border-radius:10px;box-shadow:0 1px 15px rgba(32,33,36,.28);bottom:90px;right:30px;overflow:hidden;z-index:99;animation-name:showchat;animation-duration:1s;transform:scale(1)}
a.Wenshow-chat{background:linear-gradient(to right top,#008c5f,#008c5f);color:#fff;position:fixed;z-index:98;bottom:25px;right:30px;font-size:15px;padding:10px 20px;border-radius:30px;box-shadow:0 1px 15px rgba(32,33,36,.28)}
a.Wenshow-chat i{transform:scale(1.2);margin:0 10px 0 0}.header-chat{background:linear-gradient(to right top,#008c5f,#008c5f);color:#fff;padding:20px}
.header-chat h3{margin:0 0 10px}.header-chat p{font-size:14px;line-height:1.7;margin:0}
.info-avatar{position:relative}.info-avatar img{border-radius:100%;width:50px;float:left;margin:0 10px 0 0}
.info-avatar:before{content:'\f232';z-index:1;font-family:"Font Awesome 5 Brands";background:#23ab23;color:#fff;padding:4px 5px;border-radius:100%;position:absolute;top:30px;left:30px}
a.informasi{padding:20px;display:block;overflow:hidden;animation-name:showhide;animation-duration:2.5s}
a.informasi:hover{background:#f1f1f1}.info-chat span{display:block}#get-label,span.chat-label{font-size:12px;color:#888}
#get-nama,span.chat-nama{margin:5px 0 0;font-size:15px;font-weight:700;color:#222}#get-label,#get-nama{color:#fff}span.my-number{display:none}
.Wen-msg{color:#444;padding:20px;font-size:12.5px;text-align:center;border-top:1px solid #ddd}
textarea#chat-input{border:none;font-family:'Arial',sans-serif;width:100%;height:20px;outline:none;resize:none}
a#send-it{color:#555;width:40px;margin:-5px 0 0 5px;font-weight:700;padding:8px;background:#eee;border-radius:10px}
.first-msg{background:#f5f5f5;padding:30px;text-align:center}
.first-msg span{background:#e2e2e2;color:#333;font-size:14.2px;line-height:1.7;border-radius:10px;padding:15px 20px;display:inline-block}
.start-chat .Wen-msg{display:flex}#get-number{display:none}a.close-chat{position:absolute;top:5px;right:15px;color:#fff;font-size:30px}
@keyframes showhide{from{transform:scale(.5);opacity:0}}@keyframes showchat{from{transform:scale(0);opacity:0}}
@media screen and (max-width:480px){#whatsapp-chat{width:auto;left:5%;right:5%;font-size:80%}}
.hide{display:none;animation-name:showhide;animation-duration:1.5s;transform:scale(1);opacity:1}
.show{display:block;animation-name:showhide;animation-duration:1.5s;transform:scale(1);opacity:1} 2. HTML
Kode HTML di bawah ini utk Widget Blog (Add Gadget => HTML/Javascript)
<div id='whatsapp-chat' class='hide'>
<div class='header-chat'>
<div class='head-home'><h3>Hello!!</h3>
<p>LIVE Chat on WhatsApp Mesengger or Send Email to email@gmail.com</p></div>
<div class='get-new hide'><div id='get-label'></div><div id='get-nama'></div></div></div>
<div class='home-chat'>
<!-- Info Contact Start -->
<a class='informasi' href='javascript:void' title='Chat Whatsapp'>
<div class='info-avatar'><img src='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgY0hQIzQmUOklfPcXq-Jz-aX27n9wixY2XSmU3PjnCHqjGYnzqduRwyQeZLhzkqL93d-Lv9CmhHoqZofr06wPY3eCzH3GH-cAAFgxajjuVemY2zDeVgVWV2KUDW5s1CHTpT5Ge6soWiNQs/s1600/author.png'/></div>
<div class='info-chat'>
<span class='chat-label'>Wen</span>
<span class='chat-nama'>Author</span>
</div><span class='my-number'>+62822xxxxxx</span>
</a>
<!-- Info Contact End -->
<!-- Info Contact Start -->
<a class='informasi' href='javascript:void' title='Chat Whatsapp'>
<div class='info-avatar'><img src='https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiUG3OWhYg5HCJmGETNibrHXEh7nq-9w8fsH_cnAfXL5WwWO7J6G8SPkO3ugR0PSBfI5ExLZCzwKnwfj-To8PrfLx-zZMVF50iEILDMKNG6S1OMpPe0-z2jGn5cTUHLgkTXP10C50BlwkWU/s1600/partner.png'/></div>
<div class='info-chat'>
<span class='chat-label'>Whoami</span>
<span class='chat-nama'>Partner</span>
</div><span class='my-number'>+62222xxxxxx</span>
</a>
<!-- Info Contact End -->
<div class='Wen-msg'>Kami Online Di Jam <i>09:00 - 22:00</i></div></div>
<div class='start-chat hide'>
<div class='first-msg'><span>Hello! Apa yg bisa saya bantu?</span></div>
<div class='Wen-msg'><textarea id='chat-input' placeholder='Write a response' maxlength='120' row='1'></textarea>
<a href='javascript:void;' id='send-it'>Send</a></div></div>
<div id='get-number'></div><a class='close-chat' href='javascript:void'>×</a>
</div>
<a class='Wenshow-chat' href='javascript:void' title='Show Chat'><i class='fab fa-whatsapp'></i>Apa yg bisa kami bantu?</a> 3. Javascript (JS)
Copy kode Javascript di bawah ini , lalu pastekan di atas </body>
<script type='text/javascript'>
//<![CDATA[
$(document).on("click","#send-it",function(){var a=document.getElementById("chat-input");if(""!=a.value){var b=$("#get-number").text(),c=document.getElementById("chat-input").value,d="https://web.whatsapp.com/send",e=b,f="&text="+c;if(/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent))var d="whatsapp://send";var g=d+"?phone="+e+f;window.open(g, '_blank')}}),$(document).on("click",".informasi",function(){document.getElementById("get-number").innerHTML=$(this).children(".my-number").text(),$(".start-chat,.get-new").addClass("show").removeClass("hide"),$(".home-chat,.head-home").addClass("hide").removeClass("show"),document.getElementById("get-nama").innerHTML=$(this).children(".info-chat").children(".chat-nama").text(),document.getElementById("get-label").innerHTML=$(this).children(".info-chat").children(".chat-label").text()}),$(document).on("click",".close-chat",function(){$("#whatsapp-chat").addClass("hide").removeClass("show")}),$(document).on("click",".blantershow-chat",function(){$("#whatsapp-chat").addClass("show").removeClass("hide")});
//]]>
</script> 4. Font Awesome & JQuery
Belum selesai sampai di situ , sekarang tambahkan pemanggil script Font Awesome & JQuery nyaa.
Copy kode yg di bawah ini , lalu pastekan di atas </head> , tapi kalo blog uda ada , yaa gag usah lagi..
<link href='https://use.fontawesome.com/releases/v5.8.2/css/all.css' rel='stylesheet' type='text/css'/>
<script src='https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js'></script> 