js判断页面是否加载完成
下面的图片自己可以转化成base64编码的形式,这里因字数太多我改掉了…
//获取浏览器页面可见高度和宽度
var _PageHeight = document.documentElement.clientHeight,
_PageWidth = document.documentElement.clientWidth;
//计算loading框距离顶部和左部的距离(loading框的宽度为215px,高度为61px)
var _LoadingTop = _PageHeight > 61 ? (_PageHeight - 61) / 2 : 0,
_LoadingLeft = _PageWidth > 215 ? (_PageWidth - 215) / 2 : 0;
//在页面未加载完毕之前显示的loading Html自定义内容 2B2C30
var _LoadingHtml = '<div id="loadingDiv" style="position:fixed;left:0;width:100%;height:' + _PageHeight +
'px;top:0;background:#fff;opacity:.9;filter:alpha(opacity=80);z-index:10000;"><img style="width: 2.6rem;display:block;position:fixed;top:calc(50% - 2.2rem);left:calc(50% - 1.3rem);border-radius:100px;overflow:hidden;transition: all .5s ease-in-out 0s;" src="images/loading.gif"><div style="position: absolute; cursor1: wait; left: ' +
_LoadingLeft + 'px; top:' + _LoadingTop +
'px; width: auto; height: 57px; line-height: 57px; padding-left: 40px; padding-right: 5px; color: #696969; font-family:\'Microsoft YaHei\';">页面加载中,请等待...</div></div>';
//呈现loading效果
document.write(_LoadingHtml);
//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") {
var loadingMask = document.getElementById('loadingDiv');
loadingMask.parentNode.removeChild(loadingMask);
}
}
修改解析图:
注意: 此段代码要放在body之前