:/Mozilla/. Test (useragent )! /(Compatible | WebKit)/. Test (useragent)};
Speaking of this, experienced JavaScript developers already know the secrets. Yes, jquery uses regular expressions to determine the browser type and version. Pretty well done!
First, it unified the User-Agent into lower case, and then gradually matched the browser using regular expressions. For more information about regular expressions, see here. However, some may doubt whether such a judgment is correct. Let's take
); xmlChildDoc = oXmlHttp.responseXML; }
If operabrowser is used, add judgment.
(navigator.userAgent.indexOf("Opera") >= 0)
In this way, if we use browser compatibility problems in different places, we can write and judge, and then find the corresponding browser statements on the Internet to solve the problem.
Of course, with the increase of browsers, we cannot be compatible with all
Open Internet Options.
Switch to the Content tab and click the Settings button for the source and web slices area.
You can set the update time in the pop-up window, and then confirm the save.
Manage RSS feeds for subscriptions
When we want to manage RSS feeds, we can refer to the following methods:
Click the Favorites button in the upper-right corner of IE Explorer, and then switch to the Source tab.
Browser | Web page
a challenge for Web developers is to test their web pages in a variety of different browsers. Because it's not enough to just make sure your Web page is displayed in your favorite browsers-you have to test your Web page in all possible Web browsers to make sure it shows up properly. If you work on an open Web site, you will also need to test in
If you choose a browser other than Internet Explorer, or you write code for a non-Microsoft browser, you need to use different code. In fact, this is the simple line of code shown in Listing 1:
var xmlHttp = new XMLHttpRequest object;.
This much simpler code creates the XMLHttpRequest object in Mozilla, Firefox, Safari, Opera, and virtually all non-Microsoft browsers that support Ajax in any form or mode.
= "Microsoft Internet Explorer"; if( navigator.appName == navigatorName ){ alert("ie") }else{alert("not ie") }
Method 4:The difference between IE and the standard browser in handling the toString method of the array is used. For the standard browser, if the last character in the array is a comma, The JS engine will automatically remove it.
If (! + [1,]) alert ("this is Internet Explorer"); else alert ("t
When downloading jar files in IE and other browsers, change the suffix to zip and other problems and solutions
The recent jar download has encountered the following problems during this process:
1. When downloading jar from IE, roaming, and TT, the suffix jar will be changed to zip;
2. When Firefox and opera click to download the JAR file, the JAR file is opened in the browser and garbled characters are displayed;
360 and windows of the world can be
There are often times when gradient backgrounds are needed. It is a little too small to use a long image, so I wrote a small example myself. To be compatible with multiple browsers, I had to write the corresponding CSS for each browser, browsers of earlier versions can only use images as backgrounds.
The following figure shows gradient support for the five browsers
Establish one-way Https verification for Tomcat, and implement secure communication with mainstream browsers and Android/iOS clients.
As we all know, iOS9 has begun to force the use of Https to replace the original Http request in terms of networking. Although Http and Https have their own advantages, in general, it is now in this secure information age, developers can no longer leave Https.
There are a lot of Https tutorials on the
All browsers on the desktop and taskbar are addedHao.360.cn's websiteI don't know what software is installed,360 of The Strokes. All browsers on the desktop and taskbar are addedHao.360.cn's website.This kind of thing, must be the damned 360 weeks hung 祎 or his lackeys did.Modification Method:1) Desktop shortcut, you can right click, select Properties.i) General tab, remove the read-only attributeII) in the
From: http://www.nowamagic.net/librarys/veda/detail/1077 This conclusion comes from an optimization request. At first, the loading of a page was very slow and the load event could not be triggered, therefore, we hope that we can optimize the external resources of the page by dividing static files into domain names, and trigger the load event as early as possible. So I checked the source code of the page and sorted out the external resources. Based on the following two concepts, I drew a specu
Firefox browser
Firefox browser (Mozilla Firefox) is a web browser developed by Mozilla, with Gecko Web page typesetting engine, supporting multiple operating systems, open source licensing in multiple licenses, including Mozilla Public License (MPL), GNU General public Licensing terms ( GPL) and the GNU Looser Public License (LGPL), the goal is to create an open, innovative and opportunity network environment.
Third-party plug-ins have become a number of senior players to choose the re
Internet so long, has more than once seen some sites on the homepage of the "Please use the Internet Explorer 4.0 version above the browser in 800x600 resolution browse this site" and other words. However, my 17-inch color display you can not always let me use 800x600 resolution bar. Besides, although all said Netscape 6.0 not IE 5.5 good, but I also want to taste fresh! Oh, it turns out your web page is so
After surfing the internet for so long, I have seen some websites with texts such as "Please use Internet Explorer 4.0 or a later browser to browse this website at a resolution of 800 × 600" on the homepage. However, you cannot always use 17 inch x 800 resolution for my 600 colors. Besides, Although Netscape 6.0 is not as good as IE 5.5, I 'd like to taste it! Oh, it turns out your web page is so ugly in Ne
For ordinary users, browsers need us to really operate a few places, but the favorites has always been a must not open the issue. Whether favorites can be freely imported and created directly affects the user's experience in using the browser, let's take a look at how smart 2345 Smart browsers are in favorites Management today.
When it comes to favorites management, the first thing we think about is import
How to Use the scroll wheel to move data to obtain the fingerprints of anonymous users in Tor browsers
The ability to communicate secretly through the Internet is very important to political and activist groups. Then, almost everyone cares about the privacy of the Internet.Although Tor networks provide users with a high level of privacy and security, most people can hardly find users' real IP addresses. How
invalid, and IE10 + supports the placeholder attribute, which is inconsistent with other browsers.• The placeholder text disappears when you click (get focus) in IE10 +.• Firefox/Chrome/Safari click does not disappear, but the text disappears when the keyboard is enteredAs a developer, should we overcome this problem. There are also a bunch of similar solutions on the Internet. There are two ways to achiev
Javascript is used when the cursor position on a page is used in many cases, such as drag-and-drop, hover tip, and so on. Of course, we still need to face browser compatibility issues. In different browsers, the processing methods for these related properties are also different, this article describes in detail the differences between browsers in processing these attributes and the final solution.
General browsers have six skills that are rarely known.
Although we do not have a high sense of presence, the browser is undoubtedly a window for us to access the World Wide Web. The selection of Chrome, Firefox, Edge, and other solutions depends on your actual needs. However, no matter what the results are, they all have some general skills and tricks to use.
From shortcut key combination to security settings, we will try our best in today's article
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