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fix tools function bug #1296

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fix tools function bug #1296

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7 changes: 4 additions & 3 deletions src/libs/tools.js
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Original file line number Diff line number Diff line change
Expand Up @@ -14,12 +14,13 @@ export const forEach = (arr, fn) => {
* @description 得到两个数组的交集, 两个数组的元素为数值或字符串
*/
export const getIntersection = (arr1, arr2) => {
let len = Math.min(arr1.length, arr2.length)
if (!arr1.length || !arr2.length) return []
let len = arr1.length
let i = -1
let res = []
while (++i < len) {
const item = arr2[i]
if (arr1.indexOf(item) > -1) res.push(item)
const item = arr1[i]
if (arr2.indexOf(item) > -1) res.push(item)
}
return res
}
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