fix(curriculum): prevent dataArrIndex from being updated in TODO app (freeCodeCamp#57094)

Co-authored-by: Jessica Wilkins <[email protected]>

Author: hbar1st

curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-localstorage-by-building-a-todo-app/64faf874364ec308f875f636.md

@@ -27,6 +27,12 @@ Use the `remove()` method to remove the `parentElement` of the `buttonEl` from t
 
 # --hints--
 
+You should not alter the `dataArrIndex` statement.
+
+```js
+assert.match(code, /const\s+deleteTask\s*=\s*\(\s*buttonEl\s*\)\s*=>\s*\{\s*const\s+dataArrIndex\s*=\s*taskData\.findIndex\(\s*(\(\s*item\s*\)|item)\s*=>\s*(item\.id\s*===\s*buttonEl\.parentElement\.id|buttonEl\.parentElement\.id\s*===\s*item\.id)\s*\)\s*;?[\S\s]*\}\s*;?/)
+```
+
 You should use the `remove()` method to remove the parent element of `buttonEl`.
 
 ```js