<script type="text/javascript">
var winWidth = 0;
var winHeight = 0;
function findDimensions() //函数:获取尺寸
{
//获取窗口宽度
if (window.innerWidth)
winWidth = window.innerWidth;
else if ((document.body) && (document.body.clientWidth))
winWidth = document.body.clientWidth;
//获取窗口高度
if (window.innerHeight)
winHeight = window.innerHeight;
else if ((document.body) && (document.body.clientHeight))
winHeight = document.body.clientHeight;
//通过深入Document内部对body进行检测,获取窗口大小
if (document.documentElement && document.documentElement.clientHeight && document.documentElement.clientWidth)
{
winHeight = document.documentElement.clientHeight;
winWidth = document.documentElement.clientWidth;
}
//这块
//document.body.style.height = winHeight + "px";
//document.body.style.width = winWidth + "px";
document.getElementById("a1111").style.height = winHeight + "px";
document.getElementById("a1111").style.width = winWidth + "px";
}
findDimensions();
//调用函数,获取数值
window.onresize=findDimensions;
</script>
追问if (window.innerWidth)
winWidth = window.innerWidth;
else if ((document.body) && (document.body.clientWidth))
winWidth = document.body.clientWidth;
为什么还要判断呢 window的内宽肯定不能为0 吧?