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How do I insert code from the base as text into the div?

The text is in a php variable <?= $code['code'] ?>. I just need js to insert this code inside this div.

document.write('<div id=\"editor\" class=\"editor language-<?= $opti["language"] ?>\"></div>');

If I just insert before closing </div>, then everything flies, because it starts to be defined exactly as js code. I also tried to use the <pre> tag, but it had no effect

The code I need to insert:

import {CodeJar} from 'codejar';
import Prism from 'prismjs';
    
const editor = document.querySelector("#editor");
const jar = CodeJar(editor, Prism.highlightElement, {tab: '\\t'});
    
// Update code
jar.updateCode('let foo = bar');

enter image description here

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