随手记：鼠标触顶方法

// 鼠标触顶方法

scrollMethod() {

window.onscroll = () => {

let t = document.documentElement.scrollTop || document.body.scrollTop;

if(t > 10) {

this.positionStyle.top = '0px';

}else{

this.positionStyle.top = '128px';

}

}

},