Conceptual Confusion

Question

Conceptual Confusion

Create a unique function using the array provided below to find and store the longest name. Then, save that name in a variable called longest_name and print it out using another variable named answer.

let array = [ "John", "Lee", "Smitty", "Cyren", "Linda", "Bart", "Jason", "Wilson", "Travis", "Newt"];

Is this an example of how the function would look like?

let array = [ "John", "Lee", "Smitty", "Cyren", "Linda", "Bart", "Jason", "Wilson", "Travis", "Newt"];

let result = array.filter(val => includes(val));

console.log(result);

javascript arrays function compare string-length

Answer 1

Answer №1

Shown below is an example implementation.

// Function that takes an array as an argument
function findLongestName(names) {
  let longest_name = '';
  // Iterate through all the names
  for (let i = 0; i < names.length; i += 1) {
    // Update the longest_name if a longer name is found
    if (names[i].length > longest_name.length) {
      longest_name = names[i];
    }
  }
  return longest_name;
}

let nameArray = [ "John", "Lee", "Smitty", "Cyren", "Linda", "Bart", "Jason", "Wilson", "Travis", "Newt"];

let longestName = findLongestName(nameArray);

console.log(longestName)

Answer 2

Shown below is an example implementation.

// Function that takes an array as an argument
function findLongestName(names) {
  let longest_name = '';
  // Iterate through all the names
  for (let i = 0; i < names.length; i += 1) {
    // Update the longest_name if a longer name is found
    if (names[i].length > longest_name.length) {
      longest_name = names[i];
    }
  }
  return longest_name;
}

let nameArray = [ "John", "Lee", "Smitty", "Cyren", "Linda", "Bart", "Jason", "Wilson", "Travis", "Newt"];

let longestName = findLongestName(nameArray);

console.log(longestName)

Answer 3

Answer №2

To easily find the longest element in an array, you can use the `reduce` method and return the longest element each time.

The `longest` variable will store the last longest element in the array.

Try the code snippet below to see how the `reduce` method and the Elvis operator work in JavaScript:

let array = [ "John", "Lee", "Smitty", "Cyren", "Linda", "Bart", "Jason", "Wilson", "Travis", "Newt"];
let longest = array.reduce((prev, curr) => curr.length > prev.length ? curr : prev,'');
console.log(longest)

I hope this explanation is helpful to you!🤝

Answer 4

To easily find the longest element in an array, you can use the `reduce` method and return the longest element each time.

The `longest` variable will store the last longest element in the array.

Try the code snippet below to see how the `reduce` method and the Elvis operator work in JavaScript:

let array = [ "John", "Lee", "Smitty", "Cyren", "Linda", "Bart", "Jason", "Wilson", "Travis", "Newt"];
let longest = array.reduce((prev, curr) => curr.length > prev.length ? curr : prev,'');
console.log(longest)

I hope this explanation is helpful to you!🤝

Conceptual Confusion

Answer №1

Answer №2

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