Simple Redact/Hide/Obscure/Mask text content on page with JS

redact.js

/* Finds text content in some element and redacts it
   with the provided mask value
*/
function redactContent(textValue, tagType, maskValue){
  for (const tag of document.querySelectorAll(tagType)) {
    if (tag.textContent.includes(textValue)) {
        tag.textContent = maskValue;
    }}
}

// use case: redact pricing on a page
// before: <span>$100.45</span>
// redactContent('$', 'span', 'REDACTED')
// after: <span>REDACTED</span>