Javascript - Object detection - for all your browser quirks

When we need to determine whether a user agent is a web browser on a personal computer or a microbrowser on a mobile device. Yes, yes, yes, dHCP wpad, no, no, no myIpAddress yes, yes, yes, iPv6, yes Yes Yes Feature Descriptions DNS wpad Support for discovery of a PAC file using DNS dhcp wpad Support for discovery of a PAC file using dhcp myIpAddress Returns an IP address. Why is it a guess? You can also suggest anything that can help us improve this web page.

User-Agent Header - Identify a User Agent and Client Device

Here, once again, you cheat your users of an extra bit of interaction. The following variable returns true if the user is using one of the following mobile browsers: /returns true if user is using one of the following mobile browsers var userLanguage, returns the preferred language setting of the user (ie: en-ca). Sure, you know that thisandthat browser will support your code while suchandso browser wont. Opera 15 for Android contains the string "Mobile" and also contains "OPR followed by version number, as both Opera 15 for desktop and Android are based on Chromium.

Using the navigator object to detect client s browser

However, they both will most likely mislead you. Write You're using Opera.x or above else if (oprversion 9) document. User-Agent header can help us determine whether a cell phone is made by Nokia or Sony Ericsson. The brackets actually execute the focus command, which is not what we want in this case. Write You're using IE5.x else document.

What s my, oS?

The navigator object of JavaScript contains the following core properties: Properties. (With UAProf, the mobile device model and manufacturer name are available in the Model attribute and the Vendor attribute of the HardwarePlatform component respectively.) To Differentiate Mobile Devices or User Agents Made by Different Companies with the User-Agent Header In general, the User-Agent header contains. Here are some examples: (Note: the keywords below are in lowercase but they may not be so in the actual User-Agent header) The word "nokia" can be found in the User-Agent header of Nokia's cell phones.

What is my, oS?

Write You're using.x or above else if (ffversion 3) document. Netscape 2 on OS/2 is almost completely Netscape 3 compatible and it can handle mouseover effects. As said earlier, each mobile device manufacturer has its own User-Agent header format. The word "motorola" or "mot-" can be found in the User-Agent header of Motorola's cell phones. If the potential pitfalls and complexity of usage of it is a little too much for you, an alternative is to use Object Detection.

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The bottom line is, Opera can appear as either Opera, Internet Explorer, or another browser within a designated list in the navigator object. This can be served as a simple rule to determine whether a user agent is a web browser on a personal computer or a microbrowser on a mobile device. Browser detection - No, if you want to know whether the browser that views your page supports certain objects you want to use in your code, you should never. Print this Web Page Back to Top Feedback Form ( Expand Collapse ) What do you think about this web page? "Mozilla compatible" User-Agent header of the Nokia 6630 cell phone: Mozilla/4.0 (compatible; msie.0; Series60/2.8 Nokia6630/4.06.0 Profile/midp-2.0 Configuration/cldc-1.1) To increase accuracy, you can further check the OS name and browser name in the User-Agent header.