} if (e.wheelDelta < 0) { //當滑輪向下滾動時 $(".w_wbox").css("position","fixed"); $(".w_wbox").css("top","-155px"); $(".w_wbox").css("left","-960px"); $(".w_wbox").css("width","1920px "); $(".w_wbox").css("margin-left","50%"); } } else if (e.detail) { //Firefox滑輪事件 if (e.detail< 0) { //當滑輪向上滾動時 $(".w_wbox").css("position","fixed !important"); $(".w_wbox").css("top","0px"); $(".w_wbox").css("left","-960px"); $(".w_wbox").css("width","1920px"); $(".w_wbox").css("margin-left","50%"); $(".w_wbox").css("transition","all 0.5s"); } if (e.detail> 0) { //當滑輪向下滾動時 $(".w_wbox").css("position","fixed"); $(".w_wbox").css("top","-155px"); $(".w_wbox").css("left","-960px"); $(".w_wbox").css("width","1920px "); $(".w_wbox").css("margin-left","50%"); } } } //給頁面綁定滑輪滾動事件 if (document.addEventListener) {//firefox document.addEventListener('DOMMouseScroll', scrollFunc, false); } //滾動滑輪觸發scrollFunc方法 //ie 谷歌 window.onmousewheel = document.onmousewheel = scrollFunc;