如何解决返回不匹配项的条件是什么
const arr1 = ["605116","703771","726664","612706","475557","521034","547016"];
const arr2 = ["605116","703771"];
arr1.map(item1 => arr2.map(item2 => (item1===item2) ? console.log(item1) : null))
结果:
605116 703771
退回不匹配商品的条件是什么?
预期结果:
"726664","547016"
需要与jsx兼容
解决方法
const arr1 = ["605116","703771","726664","612706","475557","521034","547016"];
const arr2 = ["605116","703771"];
console.log(arr1.filter(item=>!arr2.includes(item)));
,
keyOrder
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