### Google Consent Management Initialization

Source: https://nmfcdb.com/index.html

This JavaScript code initializes Google's Consent Management platform by creating an iframe to check for consent-related functionalities. It ensures compliance with privacy regulations by managing user consent before executing certain scripts.

```javascript
(function() {function signalGooglefcPresent() {if (!window.frames['googlefcPresent']) {if (document.body) {const iframe = document.createElement('iframe'); iframe.style = 'width: 0; height: 0; border: none; z-index: -1000; left: -1000px; top: -1000px;'; iframe.style.display = 'none'; iframe.name = 'googlefcPresent'; document.body.appendChild(iframe);} else {setTimeout(signalGooglefcPresent, 0);}}}signalGooglefcPresent();})();
```

--------------------------------

### Google Analytics Configuration

Source: https://nmfcdb.com/index.html

This snippet configures Google Analytics (gtag.js) by initializing the dataLayer and setting up the tracking configuration for a specific measurement ID. It's essential for website analytics and tracking user interactions.

```javascript
window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-4TSV6ZRLY4');
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.