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