JavaScript Code

How to find the longest string in array using JavaScript?


Problem Statement

given an array of strings, write a JavaScript program to find the longest string in array

Solution

to find the longest string in the given array of strings using JavaScript,

we use

Program

1. given array of strings is strArray. find the longest string

function findLongestString(arr) {
  let longest = "";
      if (arr.length == 0) {
          return null;
      } else {
          longest = arr[0];
          for (let i = 1; i < arr.length; i++) {
              if ( longest.length < arr[i].length ) {
                  longest = arr[i];
              }
          }
          return longest;
      }
}

strArray = ["apple", "banana", "pineapple", "bean"];
longest = findLongestString(strArray);
console.log(longest);


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