1

20220330_Vote/Ewide.Web.Entry/wwwroot/lib/xe-utils/mean.js

@@ -0,0 +1,19 @@
+var helperNumberDivide = require('./helperNumberDivide')
+
+var getSize = require('./getSize')
+
+var sum = require('./sum')
+
+/**
+  * 求平均值函数
+  *
+  * @param {Array} array 数组
+  * @param {Function/String} iterate 方法或属性
+  * @param {Object} context 上下文
+  * @return {Number}
+  */
+function mean (array, iterate, context) {
+  return helperNumberDivide(sum(array, iterate, context), getSize(array))
+}
+
+module.exports = mean