vue如何监听当前标签页隐藏和显示（标签页切换）

mounted() {// 添加监听事件document.addEventListener("visibilitychange", this.handleVisiable);},methods: {handleVisiable: function (e) {if (e.target.visibilityState == "visible") {console.log("回到当前tab标签");}

Chiandra_Leong

3079人浏览 · 2021-11-21 21:06:44

Chiandra_Leong · 2021-11-21 21:06:44 发布

mounted() {
	// 添加监听事件
    document.addEventListener("visibilitychange", this.handleVisiable);
},
methods: {
	handleVisiable: function (e) {
		if (e.target.visibilityState == "visible") {
			console.log("回到当前tab标签");
		} else {
			console.log("离开当前tab标签");
		}
    },
},
beforeDestroy() {
	document.removeEventListener('visibilitychange', this.handleVisiable)
},

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