const unsanitized_string = "abc <script>alert(1)</script> def";  // Unsanitized string of HTML

const sanitizer = new Sanitizer();  // Default sanitizer;

// Sanitize the string

let sanitizedDiv = sanitizer.sanitizeFor("div", unsanitized_string);

//We can verify the returned element type, and view sanitized HTML in string form:

console.log( (sanitizedDiv instanceof HTMLDivElement) );

// true

console.log(sanitizedDiv.innerHTML)

// "abc  def"

// At some point later ...

// Get the element to update. This must be a div to match our sanitizeFor() context.

// Set its content to be the children of our sanitized element.

document.querySelector("div#target").replaceChildren(sanitizedDiv.children);