Strip / Prevent IFrames

frameBuster.js

if (!window.iframeBuster) {
    var append = window.document.append;
    window.document.append = function(node) {
        if (node instanceof HTMLIFrameElement) {
            console.log('blocked addition of iframe via append')
        } else {
            append.apply(apply, node);
        }
    };

    var appendChild = window.document.appendChild;
    window.document.appendChild = function(node) {
        if (node instanceof HTMLIFrameElement) {
            console.log('blocked addition of iframe via appendChild')
        } else {
            appendChild.apply(apply, node);
        }
    };

    existingFrames = window.document.querySelectorAll('iframe');
    existingFrames.forEach(i => i.remove());
    consle.log('striped frames from page: ' + existingFrames.length)

    window.iframeBuster = true;
}