<div class="tip" ref="tipRef" :style="{'top':top + 'px','left':left + 'px'}"> </div>

const top = ref(0);

const left = ref(0);

const maxTop = ref(0);

const maxLeft = ref(0);

const stepX = ref(1);

const stepY = ref(1);

const timer = ref("") as any

const tipRef = ref()

const dasdasd = () => {

? maxTop.value = document.documentElement.clientHeight - 290

? maxLeft.value = document.documentElement.clientWidth - 190

? timer.value = setInterval(() => {

? ? if (top.value >= maxTop.value || top.value < 0) {

? ? ? ? stepY.value = -stepY.value

? ? ? }

? ? ? if (left.value >= maxLeft.value || left.value < 0) {

? ? ? ? stepX.value = -stepX.value

? ? ? }

? ? ? top.value += stepY.value

? ? ? left.value += stepX.value

? }, 10)

}

.tip {

? width: 300px;

? height: 300px;

? background-color: red;

? position: fixed;

? top: 0;

? left: 0;

? z-index: 999;

}