H5跳转到原生页面，监听用户是否返回到H5

vue监听页面离开事件

var app = new Vue({
        el: '#app',
        data() {
            
        },
        mounted() {
            document.addEventListener('visibilitychange', this.handleVisiable)
        },
        destroyed() {
            document.removeEventListener('visibilitychange', this.handleVisiable)
        },
        methods: {
            handleVisiable(e) { // 监听页面离开事件
                if (e.target.visibilityState === 'visible') { //返回页面
                    window.location.href = 'http://www.baidu.com'
                }
            }
        }
    })