Use timestamps to solve browser cache problems and timestamps to solve browser cache Problems
In IE or many other browsers, if each request address is the same, the browser will not connect to the server but read the cache, which is very good for many applications, it can reduce the server pressure or reduce the bandwidth usage. However, for ajax applications, m
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 relative to the layout or parent c
containerDocument.documentElement.scrollTop The vertical scrolling valueevent.clientx+document.documentelement.scrolltop Horizontal coordinates of relative documents + amount of vertical scrollingImplementation CodeCopy CodeThe code is as follows:"Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >Actual height of browser window: Actual width of browser window: var winwidth = 0;var winheight = 0;fun
: 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
Firefox browser for the default browser how to set
Tools/raw Materials
Computer
Firefox browser
Method/Step
First, on the computer desktop "Firefox browser" program icon double-click the left mouse button to open it to run. As shown in the picture;
Second, in the Open
This article is the cloud Habitat Small series of daily finishing some of the JS compatibility issues, and IE and Firefox, and other common browser compatibility analysis, JS browser compatibility related knowledge of interested friends to study together!
1. Children and ChildNodes
IE provided by the children, ChildNodes and Firefox under the childnodes behavior is different, Firefox under ChildNodes will
Error behavior:
The following Tumen Open Lenovo Web site appears "show Web browser has modified this page to help cross-site scripting"
This reason is due to IE browser caused by Oh, so we need to deal with a simple
The solution is as follows
1. After clicking "Tools" in IE browser, we find the "options" inside, then we find the Internet option---s
. slickspeed (the smaller the value, the better)
Slickspeed is not a particularly important evaluation item. It mainly tests the performance of operating CSS selectors under several mainstream JS libraries for reference only.
Windows 7 operating system evaluation data
IE8 has poor performance, and other browsers have similar performance.
Windows XP operating system evaluation data
IE7 has poor performance, and other browsers have similar performance.
Evaluation data in Mac OS X operating syste
In-depth understanding of browser cache principles and browser cache
The browser cache stores files on the client. A good cache policy can reduce the usage of network bandwidth, increase the access speed, improve the user experience, and reduce the burden on the server. Therefore, it is necessary to understand its implementation principles to improve the performa
Browser compatibility can be said to be the front-end development of the first challenge to face, currently my computer has installed 6 kinds of browsers (based on IE kernel does not count, such as Maxthon, etc.).CSS hacks uses browser vulnerabilities to hide CSS rules for specific browsers. There are two main ways to implement browser compatibility style sheets
Write Ingest Date: 2015/04/24Learn about the current market and history of the browser engineTypesetting engine (Rendering engine): 1. WebKit2WebKit is an open-source browser engine. WebKit is also the name of the Apple Mac OS X System engine framework version, used primarily for safari,dashboard,mail and some other Mac OS X programs. WebKit contains the WebCore typesetting engine and Jscore engine from KD
UbuntuOne helps you store, synchronize, and share files between different machines. However, your client must be Ubuntu9.04. You must connect to the Internet and use a browser (nonsense). It is still in beta, in addition, the experience is an invitation system. I believe the release will soon be ready. There is a beautiful cloud on the horizon, which is the cloud of Ubuntu.
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