现有如下两个数组，使用es6相关知识找出两个数组当中相同的元素，放在一个新的数组里面 var arr1 = [1,2,7,4,3,"a","d","g"]; var arr2 = [7,3,"d","g","h",3,7];
const arr1 = [1,2,7,4,3,"a","d","g"]; const arr2 = [7,3,"d","g","h",3,7]; const newArr = arr1.filter(item => arr2.includes(item)); console.log(newArr); //[7, 3, "d", "g"]
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