js响应鼠标滚轮事件
js响应鼠标滚轮事件 1 var up = $( ' up ' ),down = $( ' down ' ),log; 2 3 [up,down].each( function (arrow) {4arrow.setStyle('opacity',.1);5} ); 6 7 document.addEvent( ' mousewheel ' , function (event) {8event=newEvent(event);910/*MousewheelUP*/11if(event.wheel>0){12up.setStyle('opacity',1);13down.setStyle('opacity',.1);14log='up';15}16/*MousewheelDOWN*/17elseif(event.wheel<0){18up.setStyle('opacity',.1);19down.setStyle('opacity',1);20log='down';21}2223$('log').setHTML(log);2425varcls=function(){2...







