js响应鼠标滚轮事件
js响应鼠标滚轮事件
1var up = $('up'), down = $('down'), log;
2
3[up, down].each(function(arrow) {
4 arrow.setStyle('opacity', .1);
5});
6
7document.addEvent('mousewheel', function(event) {
8 event = new Event(event);
9
10 /* Mousewheel UP */
11 if (event.wheel > 0) {
12 up.setStyle('opacity', 1);
13 down.setStyle('opacity', .1);
14 log = 'up';
15 }
16 /* Mousewheel DOWN*/
17 else if (event.wheel < 0) {
18 up.setStyle('opacity', .1);
19 down.setStyle('opacity', 1);
20 log = 'down';
21 }
22
23 $('log').setHTML(log);
24
25 var cls = function() {
26 [up, down].each(function(arrow) {
27 arrow.setStyle('opacity', .1);
28 });
29 }.delay(100);
30});
2
3[up, down].each(function(arrow) {
4 arrow.setStyle('opacity', .1);
5});
6
7document.addEvent('mousewheel', function(event) {
8 event = new Event(event);
9
10 /* Mousewheel UP */
11 if (event.wheel > 0) {
12 up.setStyle('opacity', 1);
13 down.setStyle('opacity', .1);
14 log = 'up';
15 }
16 /* Mousewheel DOWN*/
17 else if (event.wheel < 0) {
18 up.setStyle('opacity', .1);
19 down.setStyle('opacity', 1);
20 log = 'down';
21 }
22
23 $('log').setHTML(log);
24
25 var cls = function() {
26 [up, down].each(function(arrow) {
27 arrow.setStyle('opacity', .1);
28 });
29 }.delay(100);
30});
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