function clean(toClean, source){
	if (typeof(toClean) !== 'string') return true;
	if (typeof(source) !== 'string') return true;
	
	return source.replace(toClean, String('CLEANED')).toString();
}

Found this in a project at work and someone clearly doesn't trust JavaScripts typeof function

By Anonymous, 2018-06-02 22:09:57