(NewRegExp ("?: ^|;\ \s*) "+ Escape (SKey). Replace (/[\-\.\+\*]/g," \\$ ") +" \\s*\\= ") . Test (Document.cookie); } }; Window.localStorage.length= (Document.cookie.match (/\=/g) | |window.localstorage). Length;}View CodeThe above is actually manipulating cookies to simulate local storage, so the maximum data stored above is affected by cookies. The above code, used localStorage.getItem() ,, localStorage.setItem() and localStorage.removeItem() to get, set and delete keys is allowed, but the L
Requirements: There are 2 normal buttons on the page, A, B. There is also a video tag that can successfully play out videos. I want the effect is, click the A button, the video starts playing, click the B button, video playback Stop!!!----------------------------------------------------Code----------------------------------------------------------------- ---------- [Solution]:var myvideo = document.getelementsbytagname (' video ') [0]; can be replaced by document.getElementById (' videoid '); Or
HTM5 new table cell keygen label usage and properties introduced, this article mainly introduces HTML5 keygen label definition usage and its properties description, as well as the advantages and disadvantages of HTML5 keygen label
HTML5 definition and usage of keygen tags:
The
When the form is submitted, the private key is stored locally and the public key is sent to the server.
HTML5
A form with a keygen field:
HTML5 properties of the keygen tag:
Comments: With the support of HTML5 specifications, WebApp photos on mobile phones have become possible. Below, I will explain how to use a mobile phone to take photos of Web apps, display them on the page, and upload them to the server.
1. Video
In previous articles, we talked about the function of using Websocket to call remote methods. On this basis, we can simply use WebSocket for data processing applications; you only need to execute relevant database operations in the method and return
Plus this sentence is OK.Width=device-width Automatic Adaptive bandwidth widthInitial-scale Initial zoom ratioMinimum-scale allows the user to zoom to the minimum scaleMaximum-scale allows the user to zoom to the maximum scaleUser-scalable-whether
HTML5 out for a long time has not studied, today looking for a video to see, research, made an alarm clock.As follows "Clock"Width=" -"height=" -">your Broswer can not see the clock There are several common methods that need to be noted in 1.
What technologies are involved in the development of wap websites? php for the backend, mysql for the database, and how to deal with the front-end? What technologies are involved in the development of wap websites? php for the backend, mysql for the database, and how to deal with the front-end?
Reply content:
What technologies are involved in the development of wap websites? php for the backend, mysql for the database, and how to deal with the front-end?
There is no difference between a WAP
and css.
C language, OC, ui control, etc.
Android will also have android basics after using java for android. I do not agree that ios is difficult.
Ios and Android are both difficult, including h5,
To what extent do you learn, the difficulty of ios is mainly in oc. The difficulty of Android lies in the fact that there are too many versions of system permissions, rather than stability... It is difficult to do well in h5.
No matter what you learn, consider your interests and objective conditions.
Over the past few days, I have been studying the style effect display problem in the html5 environment. htm5 labels are more concise. Combined with jquery and bootstrap3, I can make better page effects that I want. Here we will introduce the js library used for audio and video playback: audio. js http://kolber.github.io/audiojs/ You can easily complete the following steps: InstallationPut audio. js, player-graphics.gif audiojs.swf in the same folder.
Several very eye-catching CSS3 buttons and navigation, eye-catching css3 button navigation
Two days ago, I published five typical CSS3 text effects, mainly sharing several representative CSS3 text effects. Today, this article mainly introduces some good CSS3 buttons and navigation, no more than 20 buttons, no more than 100 buttons, I believe that the CSS3 navigation can help you.
CSS3 Minimalistic Navigation Menu
Brilliant CSS3 button set (with chrome or safari)
A group of super friendly
How iphone iOS uses Gcd,block: http://blog.sina.com.cn/s/blog_45e2b66c01010dhd.html1. GCD's dispatch queueHttp://www.cnblogs.com/scorpiozj/archive/2011/07/25/2116459.html2. The magic of GCD in iOShttp://blog.csdn.net/favormm/article/details/64532603. Officially, it's a lot of content.http://developer.apple.com/library/ios/#documentation/performance/reference/gcd_libdispatch_ref/reference/reference.htmlhttp://developer.apple.com/library/ios/#documentation/general/conceptual/concurrencyprogramming
, A1)
Since P is optional, it is better to use (0, 0) for convenience.
The Code is as follows:
Bool insidepolygon3 (pointd * polygon, int N, pointd pt)
{
Int I, J;
Bool inside = false;
Double polygon_area = 0;
Double trigon_area = 0;
For (I = 0, j = n-1; I
{
Polygon_area + = polygon [I]. x * polygon [J]. Y-polygon [J]. x * polygon [I]. Y;
Trigon_area + = ABS (
PT. x * polygon [I]. Y-
PT. x * polygon [J]. Y-
Polygon [I]. x * PT. Y +
Polygon [I]. x * polygon [J]. Y +
Polygon [J
OverviewHttp://www.okajax.com/info/basic/200604654.html3.ajax.netHttp://www.okajax.com/info/basic/200604556.htmlHttp://www.okajax.com/info/tech/200605589.htmlHttp://weblogs.asp.net/mschwarz/archive/2005/04/11/399893.aspx)
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Iii. Ajax-related download (ebook tutorial/source code)1. An electronic version of the Basic Ajax tutorialHttp://www.okajax.com/info/bookdown/200604950.htm2. An electronic version of Ajax in actio
://baike.baidu.com/view/209670.htm5?has table details please see: http://baike.baidu.com/view/329976.htm hash table and array directly different, it is not the content described in this article, if there are many this is not clear can refer to relevant information. Okay: After learning about the above content, let's take a look at how Flex processes external data. That is to say, try to master the following knowledge points. 1. Usage of urlloader and
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