<sence>
    <box class="test-box">测试盒子</box>
    <sprite class="test-sprite"></sprite>
</sence>

<script>
window.onLoad(()=>{
    console.log("测试场景加载完成")
})
</script>

<style>
.test-box {
    width: 200px;
    height: 100px;
    background-color: green;
    border: 2px solid darkgreen;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.test-sprite {
    width: 100px;
    height: 100px;
    background-color: purple;
    border-radius: 50%;
    margin-top: 20px;
}
</style>