function isIos(){ var equipmentType = ""; var agent = navigator.userAgent.toLowerCase(); var android = agent.indexOf("android"); var iphone = agent.indexOf("iphone"); var ipad = agent.indexOf("ipad"); if(android != -1){ equipmentType = false; } if(iphone != -1 || ipad != -1){ equipmentType = true; } return equipmentType; } alert(isIos());