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
Win8 uses the IE browser to open the QQ space by default. You can use the following settings to change the new computer, i5 processor, 8 GB memory, and 1 TB hard disk of the browser two days ago. So I plan to change the system to win8 for fun, because I have never used win8 before. When I see some advertisements promoting win8, I feel like the picture is good and I want to try it out, the computer must be c
Browser Page Fallback Event Browser leaves page or closes tab prompt Window.onbeforeunload = function () {return "is sure to leave?";//Leave the page tip} or $ (window). Unload (function () {alert (" Goodbye! ");}); Browser Enter page event or page load Complete event Window.onload = function () {} or $ (function () {}) Note: The former can only be executed once
Autoprefixer parse the CSS file and add the browser prefix to the CSS rules, use the data of can I uses to determine which prefixes are needed.All you need to do is add it to your resource builder (for example, Grunt) and completely forget the CSS prefix. Although it is normal to write your CSS in accordance with the latest specifications, you do not need a browser prefix. Like this: a{transition: Transform
Js gets browser information and page information, and js gets browser pages
1. js gets browser information, including determining whether the browser is mobile or not, browser information, and android version
2. js obtains the url, domain, and title of the page.
Function br
://feross.org/html5-fullscreen-api-attack/, where there is a good demo, to cheat, such as a link is written by http://www.bankofamerica.com, People thought it was Bank of America, a little in, because using the full-screen API, it would deceive people
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$(‘html‘).on(‘click keypress‘, ‘a‘, function(event) { // 不响应真正的A HREF点击事件 event.preventDefault(); event.stopPropagation(); // Trigger fullscreen if (elementPrototype.requestFullscreen) { document.documen
Many web sites through user-agent to determine the type of browser, if it is 3G mobile phone, display mobile page content, if it is a normal browser, display ordinary Web content. Google Chrome Browser, can be easily used as a 3G phone simulator. In the Windows "start"--> "Run" Enter the following command, launch Google Brows
Find a good code for using JavaScript to judge browsers and browser versions from the Web, and record this here:
Encapsulate the above code as a method that returns the Sys object, which encapsulates the browser's type and version information as follows:
function Getbrowserinfo () {
var Sys = {};
var ua = Navigator.userAgent.toLowerCase ();
var re =/(msie|firefox|chrome|opera|version). *? ([\d.] +)/;
var m = Ua.match (re
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