PhoneGap-DeviceReady-vs-Document-Ready

.

if your are using jquery try this

$(document).ready(function(){

    document.addEventListener("deviceready",onDeviceReady,false);       
});

function onDeviceReady(){
    //write your function body here

}

if your are using javascript only try this

if(document.readyState === "complete") {
  document.addEventListener("deviceready",onDeviceReady,false); 
}

function onDeviceReady(){
        //write your function body here

    }

.
Refer: http://stackoverflow.com/questions/12864766/phonegap-deviceready-vs-document-ready