Original refer:http://www.cnblogs.com/happyfreelife/p/4240100.htmlWhen a form with username and password is submitted, the viewer intelligently asks the user if they want to save the password. If developers don't want this "smart" thing, they can use Ajax to submit the form so that the viewer is not "smart"."When the browser is allowed to save the password for the site, the next time any page of the site is opened, the
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
First, the background description:In order to optimize the Web page speed, we take js,css merge compression and control it on the server side. So I learned a bit about the principle of browser caching.Because I don't want to use version number control, the version number has many drawbacks:1. Modify the version number for each modification.2. If all the pages of the reference, the version number is configured separately, then each time the amount of
As a standard of the very lazy, I want to do a test tool, can be all the browser test results are displayed in a browser window, and listed as a clear table, easy to compare.
This will be a lovely tool, save time without saying it, and can record and compare data clearly. Let me give you some ideas. (later I will use this tool to test a JS compatibility problem, please pay attention to)
This tool has been
March 19 News, Microsoft in the official IE blog not only confirmed the Spartan browser preview version will be included in the next Win10 version, but also listed in this build 10041 version of IE browser edge rendering engine updates details. The updated engine function is part of the Spartan browser, and interested users can temporarily use IE
Review the basic knowledge of CSS today, see under Google Browser has a style: next to write the user Agent Stylesheet. Caught my attention.
Different browsers are not consistent with the default styles for the same elements, which is why we write * {padding:0;marging:0} at the very beginning of the CSS, that is, we reset the CSS default style.
Basically, the two browsers of different cores have differences in the performance of some elements, such a
1, Win7 computer in the double hit Open this opera browser, in the open window to click on the upper left corner of the opera icon, this will appear a new menu, in the menu to choose Settings Options;
2, then the screen will pop up Opera browser Settings window, in the right search column can see the current default browser is which one;
3, directly click o
Install Chrome Browser#将下载源加入到系统的源列表sudo wget http: // Www.linuxidc.com/files/repo/google-chrome.list-P/etc/apt/sources.list.d/ -q-o-https://dl.google.com/linux/linux_signing_key.pub | sudo apt-key add-# Update the list of available updates for the current system sudo apt-get update# perform the installation of the Google Chrome browser (stable version) sudo apt-get Install Google-chrome-stableFix Chrome
Browser is a platform for front-end developers to work on. It is the longest-used software and a learning record that we must understand.
Nowadays, people cannot do without the Internet. on the Internet, we can do a lot of things. The most useful thing is the browser. It is a window. Opening this window can see the changes in the world, it is an important software tool for humans to obtain information. For
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