求两个数组的交集
var arr1 = [1,2,3];var arr2 = [2,3,4];var arr3;arr3 = arr1.filter(function(num) { return arr2.indexOf(num) !== -1;});console.log(arr3); //输出[2, 3]
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求两个数组的交集
var arr1 = [1,2,3];var arr2 = [2,3,4];var arr3;arr3 = arr1.filter(function(num) { return arr2.indexOf(num) !== -1;});console.log(arr3); //输出[2, 3]
转载于:https://www.cnblogs.com/liyuchuan/p/10952927.html