content

var isMobile = {
    tests:[
        function() {
            return navigator.userAgent.match(/Android/i);
        },
        function() {
            return navigator.userAgent.match(/BlackBerry/i);
        },
        function() {
            return navigator.userAgent.match(/iPhone|iPad|iPod/i);
        },
        function() {
            return navigator.userAgent.match(/Opera Mini/i);
        },
        function() {
            return navigator.userAgent.match(/IEMobile/i);
        }
    ],
    any: function() {
        return this.tests.some(function(e){ return e(); });
    }
}; 
    if (isMobile.any()) {
   document.getElementById(readMoreButton).style.visibility="hidden";
    }