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JavaScript位移运算符(无符号) >>> 三个大于号 的使用方法详解_javascript技巧

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Release： 2016-05-16 15:07:13
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d3.bisector(accessor)是一种指定参数accessor或者比较器函数返回一个二等分对象。返回的对象有left和right两个属性。分别类似于bisectLeft和bisectRight方法。

这个方法适用于对象数组而不适用于原始的简单数组。


N>>>1就代表N的二进制右移一位，二进制右移一位就能得到中间值。

例如

10>>>1

10的二进制代码为 1010

向右移动一位后为 0101

即 5

Related labels：
Bit shift operator
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