HarmonyOS H5页面如何获取当前系统是否是深色模式，当前系统自提大小等信息？

<h5 id = "h6"></h5>  
<button onclick="handleFromH5()">调用Arkts的方法</button>  
<script type="text/javascript">  
        function handleFromH5(){  
            let result = window.objName.test();  
            document.getElementById('h6').innerHTML = result;  
        }  
</script>

testObj: A = {  
  test: () => {  
    console.log("data1:");  
    return this.context.config.colorMode  
  }  
}  
  
  
Web({src: $rawfile('index.html'),controller: this.controller})  
  .javaScriptAccess(true)  
  .javaScriptProxy({  
    object: this.testObj,  
    name: "objName",  
    methodList: ["test"],  
    controller: this.controller,  
  })