detect web browser

The Navigator object contains basic information about the Web browser (such as name, version, operating system, etc.) You can refer to the object by Window.navigator and use its properties to read the client base information 5 Main properties of

Offline browsing is becoming increasingly common in HTML5 mobile apps or Web apps, so it's common to use JavaScript to detect browser online/offline status.　　 navigator.onLine Properties provide a Boolean value regardless of whether the browser is

1. Browser cache Each time a Web site is opened, the content of the page is cached to the user's machine. If the content needs to be reloaded in other pages, the browser loads the cache instead of downloading the content again. If some Web store

The role of the object, so all variables/functions declared in the global scope become properties and methods of the Window object;/PS: Attempting to access an undeclared variable throws an error, but by querying the Window object, you can know if

Adblocktester IntroductionFirst of all, it is necessary to introduce Adblock, it is a well-known web advertising screen plug-ins, in the major mainstream browsers have Adblock plug-ins.Adblock for the user to bring a piece of blue sky, but the

In the last two years, security experts should be more focused on attacks on the network application layer. Because no matter how strong your firewall rule setting or the most diligent patching mechanism is, if your Web application developer does

Web application refers to the use of B/s architecture, through the HTTP/HTTPS protocol to provide services. With the wide use of the Internet, Web applications have been integrated into every aspect of daily life: online shopping, internet banking

Capability Testingthe ability to detect a particular browser before writing code. For example, a script might have to detect the first payment of a function before calling it. This method frees developers from considering specific browser types and

In an earlier article, I mentioned that boing-boing had a few issues when they wanted to use @ font-face embedding inside their website. in short, the problem was that some fonts look bad on computer monitors without font-smoothing enabled in the

Now similar to Google Toolbar toolbar almost all provide pop-up blocking function, but in the actual web development work in many cases still need to automatically talk about the window, so you need to detect and remind users to disable the feature.