function getThis()( console.log(this) } getThis(); //returns Window {postMessage: ƒ, blur: ƒ, focus: ƒ, close: ƒ, frames: Window, ...} Listing 5-2Get the Current Context of a Function in the Global
function sayHi(){ alert("Hi!"); } 包含在元素内部的 JavaScript 代码将被从上至下依次解释。就拿前面这个例子来说,解释器会解释一个函数的定义,然后将该定义保存在自己的环境当中。在解释器对元素内部的所有代码求值完毕以前,页面中的其余内容都不会被浏览器加载或显示。 如果要通过元素来包含外部 JavaScript ...
log("Current view.timeExtent:", view.timeExtent.start, " - ", view.timeExtent.end} } } // set the timeExtent on the layer and useViewTime false // In this case, the layer will honor its timeExtent and ignore // the view's timeExtent const layer = new ImageryLayer({ url: "...
var parser = new URL('http://github.com/huei90');parser.hostname; // => "github.com"那些不支持URL()接口的浏览器，尝试DOM createElement('a')方法。var parser = document.createElement('a');parser.href = "http://github.com/huei90";parser.hostname; // => "github.com"调试模拟多重网...
>window.location.hash()——返回一个URL的锚部分(#及其以后的部分); window.location.host()——返回/设置主机名及端口 window.location.href()——返回完整的URL; window.location.search()——返回/设置RUL查询部分(从?开始的URL); window.location.port()——返回/设置一个URL服务器使用的端口号; ...
准备工作克隆代码在github#draw.io切换需要的Tag进行下载,当前以v17.4.3为示例。本地运行安装browser-sync或其它本地服务器工具解压drawio-X.zip压缩包,使...
Fetches and returns the portal settings as seen by the current user(s), whether anonymous or signed in. Portal getDefault() Portal A new Portal instance is created the first time this method is called. Portal hasHandles() Boolean Returns true if a named group of handles exist. Accessor...
Window Location Port Thewindow.location.portproperty returns the number of the internet host port (of the current page). Example Display the name of the host: document.getElementById("demo").innerHTML= "Port number is "+ window.location.port; ...
In the Edit Configurations dialog that opens, click the Add button () on the toolbar and select Attach to Node.js/Chrome from the list. The Run/Debug Configuration: Attach to Node.js/Chrome dialog opens. Specify the configuration name and accept the predefined host and port values localhost...
IF using Selenium you can specify the host and port. The defaults are 'localhost' port 4444: proxy=newProxy({selHost:'some.other.host',selPort:<someotherport>}); Bandwidth Limits In the Proxy constructor you can specify bandwidth and latency limitations like so: ...