Find the shortest string in array

by

Use Array#reduce method.

var arr = ["aaaa", "aa", "aa", "aaaaa", "a", "aaaaaaaa"];

console.log(
  arr.reduce(function(a, b) {
    return a.length <= b.length ? a : b;
  })
)

With ES6 arrow function

var arr = ["aaaa", "aa", "aa", "aaaaa", "a", "aaaaaaaa"];

console.log(
  arr.reduce((a, b) => a.length <= b.length ? a : b)
)

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