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document.addEventListener("deviceready", function() {
var exitAppTicker = 0;
alert("deviceready")
var listener = function(){
alert("backback")
};
document.addEventListener('backbutton', listener, false);
$(window).on('beforeunload', function(){
document.removeEventListener('backbutton', listener, false);
});
}, false);
按物理返回键并没有执行listener ,需要引入什么文件还是写法有问题
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