javascript - WhatsApp share button on website. Easy way to detect if WhatsApp exists? -

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i'm adding whatsapp share button on website , hide button when whatsapp functionality not exists (is not supported) on user device. there easy way? or way?

i found http://whatsapp-sharing.com, has disadvantages me. - no custom buttons/icons supported - looks it's detecting android , ios (what windows phone?) - hard maintain on bigger project

i'm searching js/jquery or maybe cssonly (mediaqueries?) solution, without success now. advice helpfull, thanks.

demo

try this

$(document).ready(function() {  var ismobile = {     android: function() {         return navigator.useragent.match(/android/i);     },     blackberry: function() {         return navigator.useragent.match(/blackberry/i);     },     ios: function() {         return navigator.useragent.match(/iphone|ipad|ipod/i);     },     opera: function() {         return navigator.useragent.match(/opera mini/i);     },     windows: function() {         return navigator.useragent.match(/iemobile/i);     },     any: function() {         return (ismobile.android() || ismobile.blackberry() || ismobile.ios() || ismobile.opera() || ismobile.windows());     } }; if( ismobile.any() ) {     //hide share button }  $(document).on("click", '.whatsapp', function() {         if( ismobile.any() ) {             var text = $(this).attr("data-text");             var url = $(this).attr("data-link");             var message = encodeuricomponent(text) + " - " + encodeuricomponent(url);             var whatsapp_url = "whatsapp://send?text=" + message;             window.location.href = whatsapp_url;         } else {             alert("please share article in mobile device");         }      }); });

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