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HTML tutorial

HTML form_Motor node Java College organizes

I. Form 1. Forms. HTML forms are used to receive different types of user inputs. When users submit forms, transmit data to the server to realize the interaction between users and web servers. 2. Form work mechanism 3. Form definition (<form></form> Label)

2025-02-19
The perfect solution to HTML5 Canvas image blur

1. Recently I was using h5 canvas to draw animations and found that the images were particularly blurry. Later, we finally found the culprit

2025-02-19
How to use Canvas to manipulate pixels

Modern browsers support via<video> The element plays the video. Most browsers can also access the camera through the MediaDevices.getUserMedia() API. But even if these two things are combined, we cannot directly access and manipulate these pixels. Fortuna

2025-02-18
Detailed explanation of the white background and border (compatible with Android and iOS) of the mobile terminal HTML5 page (compatible with Android and iOS)

The first two days were developed on the html5 page visited by WeChat. There is a order inquiry to choose time.<input type=date> The input box does not add any styles. The effect is white background and the border is ugly, which is completely uncoordinate

2025-02-18
html5 text content

The semantic elements in text content are usually used to describe special content fragments. These semantic elements can be used to mark important information, such as: name, evaluation, precautions, date, etc. The elements containing are:<bdi> As well a

2025-02-18
Talk about the html5 server push event

Server-section event is a unidirectional communication that sends events & data from the WebSocket protocol to the client. At present, all mainstream browsers support server sending events, of course, except for the Internet Explorer. 2333 ... webs

2025-02-18
JS using prototype objects (Prototype) need to pay attention to

Let's first have a simple constructor+applet of the applet, the small program Function CreateObj (Uname, UAGE) {this.username = uname; this.userage = uage;}

2025-02-18
HTML implements the function of detecting input completion

Use onInput(event) to detect whether the input is being input. Use onporpertychange=onChange(event) to detect whether the content has changed. Use onBlur=finnishInput(event) to detect whether the focus has been lost. You can first detect whether the input

2025-02-18
Complete analysis of the document structure and new label of HTML5

one. HTML5 document structure 1. Step 1: Open the development tool and open the specified folder; 2. Step 2: Save the index.html file to the disk, .html is a web suffix; 3. Step 3: Start writing the basic of html5 basic. Format.<!DOCTYPE html> // Document

2025-02-18
HTML5 WeChat play full screen problem solution method

When playing videos under the WeChat in iOS and Android phones, you will encounter a lot of problems. For example, if you need to click manually, the video will be played, and the video will jump out of the WeChat box to appear control bar. If the video i

2025-02-18
Specific use of canvas clipping () function

In canvas, you can use the clip() function to crop the area. After setting the cropping area, only the image in the area can be displayed, and the rest will be blocked. Draw a circle without using clipping.<!DOCTYPE html><html lang=en><head>

2025-02-18
Summary of the problems and solutions encountered in HTML5 Canvas Synthetic Poster

Foreword: I recently made a mobile item with Canvas synthetic poster pictures. Since there is no Canvas foundation, I went online to search for a predecessor's DEMO, but I encountered many problems during the development process. Now I will encounter

2025-02-17
The implementation method of using PhoneGap for local storage

Examples as: below:<!DOCTYPE html><html><head><meta charset=UTF-8><title> Database exmple</title>

2025-02-17
Detailed explanation of the control of the new attribute Audio audio and Video video (recommendation)

This article tells the control of H5 new attribute Audio audio and Video video. The details are as follows: 1. Audio (Audio)<audio controls=controls><source src=这里面放入音频文件路径></source></audio> 2. Video (VIDE

2025-02-17
Detailed explanation of the solution to the problem that html2canvas screenshots cannot capture rounded corner images

Previously we could only capture images through other screenshot tools. The functions of modern browsers have become more and more powerful. With the gradual popularization of H5, the browser itself can take screenshots. html2canvas is such a front-end pl

2025-02-17

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