20 lines
443 B
JavaScript
20 lines
443 B
JavaScript
|
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
|