freeCodeCamp/guide/english/certifications/javascript-algorithms-and-data-structures/basic-javascript/understand-string-immutability/index.md

title

title
Understand String Immutability

Understand String Immutability

---

Hints

Hint 1

Instead of Jello World , myStr should be assigned Hello World.

---

Solutions

Solution 1 (Click to Show/Hide)

// Setup
var myStr = "Jello World";
// Only change code below this line
myStr = "Hello World";

Code Explanation

String literals such as "Jello World" cannot be changed by the individual letter (hence being immutable), so the variable containing the incorrect string must be replaced with the desired string using the assignment operator =