Array 数组模块

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戴立勤 edited this page Jan 29, 2019 · 6 revisions

isArrEmpty(arr)

判断数组是否为空

params

{Array} arr

return

{Boolean}

isArrEqual(arrA, arrB)

判断两个数组内容（非地址）是否相同

params

{Array} arrA
{Array} arrB

return

{Boolean}

cloneArr(arr)

深度复制数组

params

{Array} arr

return

{Array}

countArrItem(arr, item)

数组元素计数

params

{Array} arr
{Mixed} item

return

{Number}

addArrUniqItem(arr, items)

数组添加唯一元素

params

{Array} arr
{Array | Mixed} items

return

{Array}

removeArrItem(arr, items)

数组移除元素

params

{Array} arr
{Array | Mixed} items

return

{Array}

toggleArrItem(arr, items)

数组切换元素

params

{Array} arr
{Array | Mixed} items

return

{Array}

getArrFisrtItem(arr, num = 1)

获取数组第一个（几个）元素

params

{Array} arr
{Number} num

return

{Array | Mixed}

getArrLastItem(arr, num = 1)

获取数组最后一个（几个）元素

params

{Array} arr
{Number} num

return

{Array | Mixed}

getArrGreatestItem(arr, num = 1)

获取数组最大的（几个）元素

params

{Array} arr
{Number} num

return

{Array | Mixed}

getArrLeastItem(arr, num = 1)

获取数组最小的（几个）元素

params

{Array} arr
{Number} num

return

{Array | Mixed}

getArrGreatestItemBy(arr, num = 1)

根据元素属性，获取数组最大的（几个）元素

params

{Array} arr
{Number} num

return

{Array | Mixed}

getArrLeastItemBy(arr, num = 1)

根据元素属性，获取数组最小的（几个）元素

params

{Array} arr
{Number} num

return

{Array | Mixed}

getArrRepeatedItem(arr, times?)

获取数组重复元素

params

{Array} arr
{Number | Function} times

return

{Array}

uniqArr(arr)

数组元素去重

params

{Array} arr

return

{Array}

unionArr(...arrs)

数组并集

params

{[Array]} arrs

return

{Array}

intersectArr(...arrs)

数组交集

params

{[Array]} arrs

return

{Array}

sortArr（arr, order = 'asc')

数组排序

params

{Array} arr
{String} order

return

{Array}

sortArrBy（arr, field, order = 'asc')

数组根据元素属性排序

params

{Array} arr
{String} field
{String} order

return

{Array}

shuffleArr(arr)

数组随机排序

params

{Array} arr

return

{Array}

getArrSample(arr, num = 1)

随机获取数组元素

params

{Array} arr
{Number} num

return

{Array | Mixed}

asyncForEach(arr, callback)

异步forEach

params

{Array} arr
{Function} callback

return

{Promise}