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JavaScript Searching and Sorting Algorithm: Alphabetically sorts the characters in a string

JavaScript Searching and Sorting Algorithm: Exercise-19 with Solution

Write a JavaScript program to sort the characters in a string alphabetically.

  • Use the spread operator (...), Array.prototype.sort() and String.prototype.localeCompare() to sort the characters in str.
  • Recombine using String.prototype.join('').

Sample Solution:

JavaScript Code:

const sortCharactersInString = str =>
  [...str].sort((a, b) => a.localeCompare(b)).join('');
 
console.log(sortCharactersInString('cabbage'));

Sample Output:

aabbceg

Flowchart:

JavaScript Searching and Sorting Algorithm Exercises: Alphabetically sorts the characters in a string.

Live Demo:

See the Pen javascript-common-editor by w3resource (@w3resource) on CodePen.


Improve this sample solution and post your code through Disqus

Previous: Write a JavaScript program to sort an array of objects, ordered by a property, based on the array of orders provided.
Next: Write a JavaScript program to find the lowest index at which a value should be inserted into an array in order to maintain its sorting order, based on the provided iterator function.

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JavaScript: Tips of the Day

How to insert an item into an array at a specific index (JavaScript)?

What you want is the splice function on the native array object.

arr.splice(index, 0, item); will insert item into arr at the specified index (deleting 0 items first, that is, it's just an insert). In this example we will create an array and add an element to it into index 2:

var arr = [];
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
arr[3] = "Kai Jim";
arr[4] = "Borge";

console.log(arr.join());
arr.splice(2, 0, "Lene");
console.log(arr.join());

Ref: https://bit.ly/2BXbp04