[英]to filter data from array and group it in javascript?
i have an array like given below我有一个如下所示的数组
OStatus=["hold","approved","rejected","hold","approved","rejected","hold","approved"]
i want something like this in result我想要这样的结果
Oinfo=["hold":3,"approved":3,"rejected":2].
假设您想生成一个对象,该对象将作为输入数组元素的键映射到作为每个元素计数的值,您可以使用 Array.reduce,如下所示:
Oinfo = OStatus.reduce((acc, x) => ({ ...acc, [x]: (acc[x] || 0) + 1 }), {})
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.