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

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Understand String Immutability

Understand String Immutability

Problem Explanation

Correct the assignment to myStr so it contains the string value of Hello World using the approach shown in the example above.

Hint

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

Spoiler Alert! Solution ahead.

Solution

// 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 =