js移動端使頁面撐滿整屏禁止滑動

var pageWidth = window.innerWidth;

var pageHeight = window.innerHeight;

if (typeof pageWidth != "number") {

    //在标準模式下面

    if (document.compatMode == "CSS1Compat" ) {

        pageWidth = document.documentElement.clientWidth;

        pageHeight = document.documentElement.clientHeight;

    } else {

        pageWidth = document.body.clientWidth;

        pageHeight = window.body.clientHeight;

    }

}

$('body').height(pageHeight);