mui.ready(function() { var detail = document.getElementById("service_phone"); mui.plusReady(function() { var self = plus.webview.currentWebview(); var userId = self.userId; console.log(userId); function dialTest() { var phoneNum = document.getElementById("phone_num").innerHTML; plus.device.dial( phoneNum, false); }; detail.addEventListener('tap',function(){ dialTest(); }); }); });