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@@ -7,12 +7,12 @@ function requestAniFrame() {
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window.setTimeout(callback, 1000 / 60);
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};
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}
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-//是否出现在视口内(水平方向)
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+//是否出现在视口内(垂直方向)
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function verInViewport(el, viewHeight) {
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var rect = el.getBoundingClientRect();
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return (rect.top > 0 && rect.top < viewHeight);
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}
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-//是否出现在视口内(垂直方向)
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+//是否出现在视口内(水平方向)
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function horInViewport(el, viewWidth) {
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var rect = el.getBoundingClientRect();
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return (rect.left > 0 && rect.left < viewWidth);
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