Function onSubtree

src/content.js:767–803

(e)

                            };

                            var onSubtree = function(e) {
                                // console.log(eDOMATTRMODIFIED + " onSubtree: ");
                                // console.log(e.target);
                                // console.log(that);

                                // was the event send for the element we're watching?
                                if (e.target == that) {
                                    // create <div class="foo" /> from outerHTML
                                    var n = e.target.outerHTML.split('>')[0] + ' />';
                                    // cmp strings
                                    if (old != n) {
                                        // console.log(eDOMATTRMODIFIED + " changes!!!!");

                                        // create real HTMLElements
                                        var od = document.createElement('div');
                                        od.innerHTML = old;
                                        var oe = od.childNodes[0];
                                        var nd = document.createElement('div');
                                        nd.innerHTML = n;
                                        var ne = nd.childNodes[0];

                                        // determine all attributes from outerHTML
                                        var a = getAttrsFromString(old, getAttrsFromString(n));

                                        for (var k in a) {
                                            if (!a.hasOwnProperty(k)) continue;
                                            var ov = oe.getAttribute(k);
                                            var nv = ne.getAttribute(k);
                                            // send event in case some attributes differ
                                            if (ov != nv) sendEvent(that, k, ov, nv);
                                        }

                                        // store new outerHTML
                                        old = n;
                                    }
                                }
                            };

                            useObserver = false;
                            if (!logged) console.log('content: WARN unable to use MutationObserver -> fallback to DOMSubtreeModified event');