Vue2监听浏览器可视区域的大小,

 
export default {
	data() {
		return {
			screenWidthNo:'',
		}
	},
 
	
	mounted() {
		this.getData()
		this.screenWidthNo = document.body.clientWidth;
		window.onresize = () => {
			return (() => {
				this.screenWidthNo = document.body.clientWidth;
			})();
		};
 
    
	},
 
}