页面加载完成之后,开始显示内容

//监听加载状态改变
document.onreadystatechange = completeLoading;
   
//加载状态为complete时移除loading效果
function completeLoading() {
    if (document.readyState == "complete") {
        document.getElementById("about").style.display="block";//显示
       
    }else{
        document.getElementById("about").style.display="none";//不显示
    }
}

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转载自blog.csdn.net/weixin_38959210/article/details/106125711