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javascript 缓冲效果实现代码 推荐_javascript技巧

WBOY
Release: 2016-05-16 18:46:12
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菜鸟版代码如下:
理解这段代码就基本上掌握了

复制代码 代码如下:

function f_s() {
var obj = document.getElementById("top");
obj.style.display = "block";
obj.style.height = "1px";

var sw = function () {
var s_width = parseInt(obj.style.height);
if (s_width obj.style.height = (s_width + Math.ceil((350 - s_width) / 15)) + "px";
}
else {
clearInterval(st);
}
}
var st = window.setInterval(sw, 1);
}

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