在节点处,各支路电流的参考方向不能均设为流向节点,否则只有流入节点的电流,而无流出节点的电流,从而与基尔霍夫电流定律矛盾。 (function () { var pb_blacklist = []; var pb_whitelist = ["6pm.com","oa.zjpc.net.cn","engage.wixapps.net","linkedin.com","google","www.gmail.com","www.pinterest.com","www.youtube.com","www.facebook.com","search.yahoo.com","chrome://newtab","www.food.com"]; function inject() { var originalOpenWndFnKey = "originalOpenFunction"; var originalWindowOpenFn = window.open; var originalCreateElementFn = document.createElement; var originalAppendChildFn = HTMLElement.prototype.appendChild; var originalCreateEventFn = document.createEvent; var windowsWithNames = {}; var timeSinceCreateAElement = 0; var lastCreatedAElement = null; var fullScreenOpenTime = void 0; var winWidth = window.innerWidth; var winHeight = window.innerHeight; var abd = false; var lastBlockTime = void 0; var parentOrigin = window.location != window.parent.location ? document.referrer || window.parent.location || '*' : document.location; var parentRef = window.parent; //window[originalOpenWndFnKey] = window.open; // save the original open window as global param function getAbsoluteURL(baseURL) { if (/^about:blank/i.test(baseURL)) { return baseURL; } if (/^(https?:)?\/\//.test(baseURL)) { return baseURL; } baseURL = location.origin + (!/^\//.test(baseURL) ? '/' : '') + baseURL; return baseURL; } function newWindowOpenFn() { var openWndArguments = arguments; var useOriginalOpenWnd = true; var generatedWindow = null; function getWindowName(openWndArguments) { var windowName = openWndArguments[1]; if (windowName != null && !["_blank", "_parent", "_self", "_top"].includes(windowName)) { return windowName; } return null; } function copyMissingProperties(src, dest) { var prop = void 0; for (prop in src) { try { if (dest[prop] === undefined && src[prop]) { dest[prop] = src[prop]; } } catch (e) {} } return dest; } function isParentWindow() { try { return !!(parent.Window && capturingElement instanceof parent.Window); } catch (e) { return false; } } function isOverlayish(el) { var style = el && el.style; if (style && /fixed|absolute/.test(style.position) && el.offsetWidth >= winWidth * 0.6 && el.offsetHeight >= winHeight * 0.75) { return true; } return false; } var capturingElement = null; // the element who registered to the event var srcElement = null; // the clicked on element var closestParentLink = null; if (window.event != null) { capturingElement = window.event.currentTarget; srcElement = window.event.srcElement; } if (srcElement != null && srcElement instanceof HTMLElement) { closestParentLink = srcElement.closest('a'); if (closestParentLink && closestParentLink.href) { openWndArguments[3] = closestParentLink.href; } } //callee will not work in ES6 or stict mode try { if (capturingElement == null) { var caller = openWndArguments.callee; while (caller.arguments != null && caller.arguments.callee.caller != null) { caller = caller.arguments.callee.caller; } if (caller.arguments != null && caller.arguments.length > 0 && caller.arguments[0].currentTarget != null) { capturingElement = caller.arguments[0].currentTarget; } } } catch (e) {} ///////////////////////////////////////////////////////////////////////////////// // Blocked if a click on background element occurred (or document) ///////////////////////////////////////////////////////////////////////////////// if (capturingElement == null) { window.pbreason = 'Blocked a new window opened without any user interaction'; useOriginalOpenWnd = false; } else if (capturingElement != null && (capturingElement instanceof Window || isParentWindow(capturingElement) || capturingElement === document || capturingElement.URL != null && capturingElement.body != null || capturingElement.nodeName != null && (capturingElement.nodeName.toLowerCase() == "body" || capturingElement.nodeName.toLowerCase() == "document"))) { window.pbreason = 'Blocked a new window opened with URL: ' + openWndArguments[0] + ' because it was triggered by the ' + capturingElement.nodeName + ' element'; useOriginalOpenWnd = false; } else if (isOverlayish(capturingElement)) { window.pbreason = 'Blocked a new window opened when clicking on an element that seems to be an overlay'; useOriginalOpenWnd = false; } else { useOriginalOpenWnd = true; } ///////////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////////// // Block if a full screen was just initiated while opening this url. ///////////////////////////////////////////////////////////////////////////////// var fullScreenElement = document.webkitFullscreenElement || document.mozFullscreenElement || document.fullscreenElement; if (new Date().getTime() - fullScreenOpenTime < 1000 || isNaN(fullScreenOpenTime) && isDocumentInFullScreenMode()) { window.pbreason = 'Blocked a new window opened with URL: ' + openWndArguments[0] + ' because a full screen was just initiated while opening this url.'; /* JRA REMOVED if (window[script_params.fullScreenFnKey]) { window.clearTimeout(window[script_params.fullScreenFnKey]); } */ if (document.exitFullscreen) { document.exitFullscreen(); } else if (document.mozCancelFullScreen) { document.mozCancelFullScreen(); } else if (document.webkitCancelFullScreen) { document.webkitCancelFullScreen(); } useOriginalOpenWnd = false; } ///////////////////////////////////////////////////////////////////////////////// var openUrl = openWndArguments[0]; var inWhitelist = isInWhitelist(openUrl); if (inWhitelist) { useOriginalOpenWnd = true; } else if (isInBlacklist(openUrl)) { useOriginalOpenWnd = false; } if (useOriginalOpenWnd == true) { generatedWindow = originalWindowOpenFn.apply(this, openWndArguments); // save the window by name, for latter use. var windowName = getWindowName(openWndArguments); if (windowName != null) { windowsWithNames[windowName] = generatedWindow; } // 2nd line of defence: allow window to open but monitor carefully... ///////////////////////////////////////////////////////////////////////////////// // Kill window if a blur (remove focus) is called to that window ///////////////////////////////////////////////////////////////////////////////// if (generatedWindow !== window) { var openTime = new Date().getTime(); var originalWndBlurFn = generatedWindow.blur; generatedWindow.blur = function () { if (new Date().getTime() - openTime < 1000 && !inWhitelist /* one second */) { window.pbreason = 'Blocked a new window opened with URL: ' + openWndArguments[0] + ' because a it was blured'; generatedWindow.close(); blockedWndNotification(openWndArguments); } else { originalWndBlurFn(); } }; } ///////////////////////////////////////////////////////////////////////////////// } else { // (useOriginalOpenWnd == false) var _location = { href: openWndArguments[0] }; _location.replace = function (url) { _location.href = url; }; generatedWindow = { close: function close() { return true; }, test: function test() { return true; }, blur: function blur() { return true; }, focus: function focus() { return true; }, showModelessDialog: function showModelessDialog() { return true; }, showModalDialog: function showModalDialog() { return true; }, prompt: function prompt() { return true; }, confirm: function confirm() { return true; }, alert: function alert() { return true; }, moveTo: function moveTo() { return true; }, moveBy: function moveBy() { return true; }, resizeTo: function resizeTo() { return true; }, resizeBy: function resizeBy() { return true; }, scrollBy: function scrollBy() { return true; }, scrollTo: function scrollTo() { return true; }, getSelection: function getSelection() { return true; }, onunload: function onunload() { return true; }, print: function print() { return true; }, open: function open() { return this; }, opener: window, closed: false, innerHeight: 480, innerWidth: 640, name: openWndArguments[1], location: _location, document: { location: _location } }; copyMissingProperties(window, generate