Ivan Ustûžanin

element.innerHTML = /* разметка */
for (const sourceElement of element.querySelectorAll('script')) {
    const resultElement = document.createElement('script');
    resultElement.textContent = sourceElement.textContent;
    for (const attribute of sourceElement.getAttributeNames()) {
        resultElement.setAttribute(attribute, sourceElement.getAttribute(attribute));
    }
    sourceElement.replaceWith(resultElement);
}

const data = [ /* ... */ ];
let offset = 0;
while (offset < data.length) {
	data[offset + 0];
	data[offset + 1];
	// ...
	data[offset + 7];
	offset += 8
}