Cross-domain in the development of some is a more common problem although there are JSON or XML to solve, now HTML5 began to popular, we can solve the cross-domain problem through access-control-allow-origin, the next look.A.abc.com initiates an AJAX request to abc.com/b, and there are cross-domain issues. There are cross-domain issues, but in fact, because www.abc.com is actually the same as a.abc.com, is
Label:Cross-domain in the development of some is a more common problem although there are JSON or XML to solve, now HTML5 began to popular, we can solve the cross-domain problem through access-control-allow-origin, the next look. A.abc.com initiates an AJAX request to abc.com/b, and there are cross-domain issues. There are cross-domain issues, but in fact, because www.abc.com is actually the same as a.abc.
you are using the PHP language on the server that receives the request, abc.com/b the page header, note that it must be before you output any information: Specify a trusted domain name to receive response information, recommend
header (' access-control-allow-origin:http://a.abc.com '); Or you can set a resource that responds to any domain name Use wildcard *, indicates the current server-side call any domain name initiation request, does not recommen
Let's take a look at the application of an html5 video element for simple control.
Watch the video here, study it online, or download it to favorites. Video loading may be slow. Please be patient.
First, let's look at html5. Here we mainly use video elements. The usage of video elements is as follows:
We only use the mp4 format here. The Code is as follows.
In
HTML5 defines several new date-related controls. Browsers that support date controls provide a convenient Drop-down calendar for users to choose from.Note: Currently only chrome and opera provide Drop-down calendar support, other browsers are still a normal text box.
1, date control--date
2, Time Control-times
3, Date Time
Looking for a good way to print is an urgent need from all walks of life. after several twists and turns, the author outputs PDF files and PHP captures the HTML code of the target, and then outputs the HTML code to the specified parser, then generate the final print format... looking for a good way to print is an urgent need from all walks of life. after several twists and turns, the author outputs PDF files and PHP captures the HTML code of the target, and then outputs the HTML code to the spec
1.No ' Access-control-allow-origin ' header is present on the requestedRecently in the channel of HTML5, encountered cross-domain problem, using JS Ajax post or Get method, only to the target URL slightly different, there will be cross-domain issues, the browser will be the security of their own initiative to intercept.This problem is in fact not the client can solve, preferably the target URL of the server
HTML5 audio labels use js for playback control instances, html5jsThis article mainly introduces the HTML5 audio tag using js for playback control instances. This article provides code examples to demonstrate how to obtain the playback time, play, pause, mute, and other control
PhoneGap + HTML5 + jqueryMobile Android-DATE control, phonegap-date
Original article: Android-DATE control developed by PhoneGap + HTML5 + jqueryMobile
Source code: http://www.zuidaima.com/share/1550463778802688.htm
The DATE control cannot normally call Android's DATE Keyboa
Date: 2016-5-19Exclusive LuxuryWhen you use HTML5 to develop a mobile page, you can add meta viewport to control the width of the page to remain 1 time times the original size of the device width and scale in order to deform the page beyond the user's zoom and keep it visually fixed as the app.The individual parameter entries are specified as follows:
Initial-scale-Initial zoom ratio
Minimum-sc
I tried to use jQuery to control the HTML5 video. The two videos are in two tabs respectively. I want the video in the tab to be played immediately after the tab is clicked, in addition, the video in the tab can be stopped .,. I tried to use jQuery to control the HTML5 video. The two videos are in two tabs respectively
Original: HTML5 input:file upload Type controlHTML5 input:file Upload Type Control August 29, 2014 90,820 views first, Input:file propertiesThe following are some of the more commonly used property values:Accept: Represents the file MIME type that can be selected, multiple MIME types are separated by commas, and the commonly used MIME types are shown in the following table.Multiple: Whether multiple files c
First embed the background music in the webpage, the HTML5 code is:Scriptsrc= "Http://wuover.qiniudn.com/jquery.js">Script>aclass= "Mscbtn"ID= "Audiobtn"title= ' The happiest person 'style= "Cursor:pointer;">a>AudioID= "Bgmusic"src= "Http://cctv3.qiniudn.com/zuixingfuderen.mp3"AutoPlay= "AutoPlay">Audio>CSS styles are:. pause {background-position:0 bottom;}. mscbtn {height:50px;background: #fff url (http://cctv2.qiniudn.com/musicbtn.png) no-repeat;dis
that:When adding the response header Responese headers, allow cross-domain requests for domain names with no slash/or difference, with slash/error :XMLHttpRequest cannot load abc.com/b. The ' Access-control-allow-origin ' header has a value ' http://A.abc.org/' which is notequal to the supplied Origin. Origin ' http://A.abc.org ' is therefore not allowed access.Header (' access-control-allow-origin:* ') is
);50.Wuyi Video.play ();52.(Errback);54.55.}56.(.}, false);Once the user's browser is determined to support Getusermedia, the following is very simple, just need to set the video element src to the user's webcam video live connection. That's all the things you need to do with a browser to access the camera!The function of taking pictures can only be said to be a little more complicated. We added a listener to the button to draw the video onto the canvas.1.//Trigger Photo action2.3. document.getE
);50.Wuyi Video.play ();52.(Errback);54.55.}56.(.}, false);Once the user's browser is determined to support Getusermedia, the following is very simple, just need to set the video element src to the user's webcam video live connection. That's all the things you need to do with a browser to access the camera!The function of taking pictures can only be said to be a little more complicated. We added a listener to the button to draw the video onto the canvas.1.//Trigger Photo action2.3. document.getE
, the Reader.onload event is called. Here, I also input the reading results into the console, such as the console output of the Base64 code (part) is: Light a picture there is so much data, specifically I did not study, but I know that the larger the picture, the larger the amount of data. But all the pictures are similar in the previous paragraph. such as the red callout part, is "data:image/jpeg;base64,", then is the body content of the picture. What's the use of this body of content? We can w
if(dir== +) Alert (" Down"); Else if(dir==Panax Notoginseng) Alert (" Left") Else if(dir== the) Alert (" Right");} Script>Head> Bodyonkeydown= "Functionkeydown (event)">Body>Second, use the keyboard cursor to move the graphicNow that we've learned to capture a keyboard keystroke, we can use it to move the graphics on the screen!The basic method is this: is through the keyboard keys to change the coordinates, such as the right, let the x-coordinate larger, if it is downward, let the y-coordin
Tags: tle context ext requires cross-domain request domain name type control. comCors Protocol:Classification of 1.COR requests:1. A simple COR request, which sends a request directly to a cross-domain resource, contains a simple header and method. The header information returned contains access-control-allow-origin: Www.helloword.com. Represents cross-domain access for www.helloword.com domain names.2. Com
HTML5 Video Although controls can be used to display the control, and control playback pause, and so on, but different browsers may not display the same effect, so many times we need to use the DOM to customize some of the operation and control. Here is a small example.Of course the effect is not very beautiful, if you
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.