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📜  JS, indexOf(); - 无论代码示例

📅  最后修改于: 2022-03-11 14:57:42.145000             🧑  作者: Mango

代码示例1
function quickCheck(arr, elem) {
  return arr.indexOf(elem) != -1;
}
console.log(quickCheck(["squash", "onions", "shallots"], "mushrooms"));