For this i tried many ways i could't get the result please help me

Tell us what’s happening:
Describe your issue in detail here.

Your code so far

// Setup
var myStr = "Jello World";

// Only change code below this line

myStr[0] = "H"; // Fix Me
myStr = "Hello World";

//

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Challenge: Understand String Immutability

Link to the challenge:

Remove this and you should pass.

thank you boss i cleared.