in src/editor/sandbox/setup.js [158:173]
fakeDoc[api[0]] = function () {
let val = arguments[argIndx];
val && (val = val.toLowerCase());
if (
val &&
(fullTextSearch
? ((val = val.match(disallowedElementsMatcher)),
(val = val && val[1]))
: disallowedElements.includes(val))
) {
return console.error(
`Disallowed attempting to create ${val} element!`
);
}
return nativeFn.apply(document, arguments);
};