JavaScript: Rearrange characters of a given string in such way that it will become equal to another given string
JavaScript Basic: Exercise-99 with Solution
Write a JavaScript program to check whether it is possible to rearrange the characters of a given string. This is in such a way that it will become equal to another given string.
Sample Solution:
HTML Code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title> Rearrange characters of a given string in such way that it will become equal to another given string</title>
</head>
<body>
</body>
</html>
JavaScript Code:
function rearrangement_characters(str1, str2) {
var first_set = str1.split(''),
second_set = str2.split(''),
result = true;
first_set.sort();
second_set.sort();
for (var i = 0; i < Math.max(first_set.length, second_set.length); i++) {
if (first_set[i] !== second_set[i]) {
result = false;
}
}
return result;
}
console.log(rearrangement_characters("xyz", "zyx"))
console.log(rearrangement_characters("xyz", "zyp"))
Sample Output:
true false
Flowchart:

ES6 Version:
function rearrangement_characters(str1, str2) {
const first_set = str1.split('');
const second_set = str2.split('');
let result = true;
first_set.sort();
second_set.sort();
for (let i = 0; i < Math.max(first_set.length, second_set.length); i++) {
if (first_set[i] !== second_set[i]) {
result = false;
}
}
return result;
}
console.log(rearrangement_characters("xyz", "zyx"))
console.log(rearrangement_characters("xyz", "zyp"))
Live Demo:
See the Pen javascript-basic-exercise-99 by w3resource (@w3resource) on CodePen.
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Previous: Write a JavaScript program to switch case of the minimum possible number of letters to make a given string written in the upper case or in the lower case.
Next: Write a JavaScript program to check if there is at least one element which occurs in two given sorted arrays of integers.
What is the difficulty level of this exercise?
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JavaScript: Tips of the Day
Parse an HTTP Cookie header string and return an object of all cookie name-value pairs
Example:
const parseCookie = str => str .split(';') .map(v => v.split('=')) .reduce((acc, v) => { acc[decodeURIComponent(v[0].trim())] = decodeURIComponent(v[1].trim()); return acc; }, {}); console.log(parseCookie('foo=bar; equation=E%3Dmc%5E2')); // { foo: 'bar', equation: 'E=mc^2' }
Output:
[object Object] { equation: "E=mc^2", foo: "bar" }
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