vue3进入页面全屏

import { ref, getCurrentInstance,onMounted } from "vue";

 const allScreen = ()=>{
        let domElement = document.documentElement;
    if (domElement.requestFullscreen) {
        domElement.requestFullscreen();
    } else if (domElement.mozRequestFullScreen) {
        domElement.mozRequestFullScreen();
    } else if (domElement.webkitRequestFullScreen) {
        domElement.webkitRequestFullScreen();
    }
    }

onMounted(()=>{
        console.log('进入页面')
        allScreen()
    })