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User at 1:19 pm, May 4, 2024

Explain problem: Object is possibly 'null'.

Codeium at 1:19 pm, May 4, 2024

The issue "Object is possibly 'null'." in TypeScript on the line document.getElementById('nextChars') occurs because getElementById can return null if the element with the specified ID is not found in the DOM. To address this, you can perform a null check on the result of getElementById or use a non-null assertion operator (!) if you are certain that the element exists in the DOM.

Here's how you can address it with a null check:

const nextCharsElement = document.getElementById('nextChars');
if (nextCharsElement) {
    // Work with nextCharsElement here
}

Or if you are sure the element exists, you can use a non-null assertion operator:

const nextCharsElement = document.getElementById('nextChars')!;
// Work with nextCharsElement here

By performing this null check or using the non-null assertion operator, you can avoid the "Object is possibly 'null'." error.