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