: window.screen.availWidthHTML Precise positioning: Scrollleft,scrollwidth,clientwidth,offsetwidthScrollHeight: Gets the scroll height of the object.ScrollLeft: Sets or gets the distance between the left edge of the object and the leftmost of the currently visible content in the windowScrollTop: Sets or gets the distance between the top of the object and the top of the visible content in the windowScrollWidth: Gets the scrolling width of the objectOffsetheight: Gets the height of the object rela
Share the encapsulated js judgment operating system with the browser code and encapsulate the js browser code
Abstract:The most important task for front-end development is compatibility, system compatibility, browser compatibility, and so on. Today, I will share a method for judging operating systems and browsers encapsulated in my project.
Operating System:
Copy
When we report the following error in the Google browser console, try the following methods;Error: Image from Origin ' file://' have been blocked from loading by cross-origin Resource sharing policy:invalid Response. Origin ' null ' is therefore not allowed access.The reason is: Google Chrome prohibits the cross-domain submission of Ajax1. Find the desktop browser, right click on the Mouse--click "shortcut"
work area width: window.screen.availWidthHTML Precise positioning: Scrollleft,scrollwidth,clientwidth,offsetwidthScrollHeight: Gets the scroll height of the object.ScrollLeft: Sets or gets the distance between the left edge of the object and the leftmost of the currently visible content in the windowScrollTop: Sets or gets the distance between the top of the object and the top of the visible content in the windowScrollWidth: Gets the scrolling width of the objectOffsetheight: Gets the height of
,offsetwidthScrollHeight: Gets the scroll height of the object.ScrollLeft: Sets or gets the distance between the left edge of the object and the leftmost of the currently visible content in the windowScrollTop: Sets or gets the distance between the top of the object and the top of the visible content in the windowScrollWidth: Gets the scrolling width of the objectOffsetheight: Gets the height of the object relative to the layout or parent coordinates specified by the parent coordinate OffsetPare
Detects WebGL and browser compatibility when using Three.js (detecting WebGL and browser compatibility with Three.js)The beautiful Life of the Sun Vulcan (http://blog.csdn.net/opengl_es)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence: Sun Vulcan's Beautiful Life-this blog focuses on Agile development and mobile and IoT device resea
Habit is not the same, the operation will not be the same, many users are not accustomed to WINDOWS8 system automatically set for users of the default IE browser, want to specify their own common use of other Third-party browsers for the default to open, this how to operate it?
How the WINDOWS8 system sets the default browser:
1. First, we return to the desktop, and then click on the bottom left-hand corn
The first step: the first to install in the computer and open "Fast thunder" as shown in the following image
The second step: then in the open interface of the lower left, "Thunderbolt application" in the Open Interface click "Browser Support" as shown in the picture
Step three: Then pop up a ' browser diagnostics tool ' And now you can check it out, as shown
Fourth step: For exam
1. Log in to a network account
Click on the avatar to login to 360 account. When you log on to the 360 account, changes to your Favorites and browser configuration are automatically backed up to 360 accounts. Log on to the 360 account at any time to automatically synchronize the above content to the browser.
2. Replace Avatar
You can choose your favorite avatar from the Avatar menu to decorate your
keyword if (Preg_match ("/(") for your phone's browser from Http_user_agent .implode (' | ', $clientkeywords) . ")/I", strtolower ($_server[' http_user_agent ') ))) { returntrue;}} // protocol law, because there may be inaccuracies, put to Final Judgment if (isset ($_server[' http_accept '))) {// If only WML is supported and HTML is not supported it must be a mobile device // If WML and HTML are supported but WML before HTML is mobile device if ((Str
Through the chrome.alarms.* API, the Chrome browser Extender can make plans to execute code periodically, or execute code at a specified time.To use the chrome.alarms.* API, you first need to declare the alarms authorization in the Manifest.json file as follows:{"Permissions": ["Alarms"],}The properties of the Chrome.alarms.Alarm object are as follows:
Property name
Type
Required/ optional
Comment
JavaWeb 1-browser technology, javaweb-BrowserJavaWeb 1-browser technology 1. HTTP 1.1 HTTP Definition
HTTP (Hypertext Transport Protocol), Hypertext Transfer Protocol.
A data transfer protocol that specifies the communication rules between browsers and web servers and transmits World Wide web documents over the Internet.
1.2 protocol principles
1.3 request format
* The first part is request line. The metho
Translator Note: This article is "High performance Browser Networking" translation version, using Google Translator Tookit tool translation, the original text in many formats lost, follow-up needs to be unified.Please refer to the original text: http://chimera.labs.oreilly.com/books/1230000000545/ch01.htmlChapter One the basic conceptual speed of latency and bandwidth is a featureOver the past few years, Web performance optimization (WPO) has grown ra
Js closes the browser window without a prompt box. Supports Internet Explorer 6 +, Firefox, Google, and other browsers. The following example describes the specific implementation methods in detail. If you are interested, refer
Close the browser window in js
Js closes the browser window without a prompt box. Supports ie6 +, Firefox, Google and other browsers.
Browser check class implemented by PHP, browser implemented by php
This example describes the browser check class implemented by PHP. We will share this with you for your reference. The details are as follows:
Http://itindex.net/blog/2014/11/07/1415353560000.htmlClick the URL link in your browser to launch a specific app.First make the HTML page, the page content format is as follows:This sentence will be all right.The meanings of each item are as follows:Scheme: Identify the app that starts. ※ The following details are describedHost: Proper descriptionPath: The key※ required to pass the value is not also availableQuery: Get the value of key and Value※ no a
Do a game, there are multiple pages, the user in the game end page click "Back" will return to the beginning of the game page, how to let him can not click Back or click Back not to the previous page, or do not allow the browser to generate the corresponding page history, server-side or JS solution can be, first thanked.
Reply content:
Do a game, there are multiple pages, the user in the game end page click "Back" will return to the beginning of t
Browser compatibility that we have handled together in those years, and browser compatibility
Two years ago, I stepped out of the school gate and entered the company's door. I became a front-end engineer. It was very tough. Do you think it was too tall ...... The front-end code is simple !!!!!!!!!!! Low barrier !!!!!!!!!!!!! In and out of upscale office buildings !!!!!!!! High salary !!!I don't want to expr
Text parsing by the browser and text parsing by the browser
Example:
The title contains spaces in the middle and the back. How does the browser read the title?
The title contains intermediate spaces and trailing spaces: It is parsed into a Text node, and the content is stored in Text. nodeValue.
Text that involves the core object (12) in the DOM specific
Where is the video cache in the 360 speed browser ?, 360 speedy browser cache
Sometimes you want to download a video from a webpage, but click Download to register it. You need to install it with a sniffer... Next, let's talk about how to find the 360 speed browser video cache.
What other people say is the path not found? Not in the program files folder? In fa
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