用一行代码，将数组中的字符串和字符串对象(new String(123))直接判定出来

[Sunny-117]

No description provided.

[veneno-o]

function judeg(arr){
    return arr.map(item => typeof item === "string" ? "string" : "new String()")
}

[kangkang123269]

let arr = ['hello', new String('123'), 123, true, {}, [], null];
let stringItems = arr.filter(item => typeof item === 'string' || item instanceof String);

[Windseek]

let arr = ['hello', new String('123'), 123, true, {}, [], null];

const filterString = (arr) => {
  return arr.filter(item => typeof item == 'string' || item instanceof String)
}

console.log(filterString(arr));