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I Introduction to JavaScript (1) Why learn JavaScript. A. HTML+CSS can only have static pages, but there is no dynamic effect. B. JS can verify form data. C. Switch TAB menu. D. Switching of background pictures. E. JS game development. (2) JS concept Literal translation: without compilation, the browser kernel can directly interpret and exe ...

Added by sONOCOOLO on Tue, 04 Jan 2022 17:27:30 +0200

Learn Flex layout again in 2022

1, Introduction Last week, I interviewed a little partner who graduated from a certain training institution to apply for the position of front-end engineer. The resume said that he was proficient in html5+css3, and could write the rotation chart, navigation bar and so on. The first impression was good. During the interview, I asked s ...

Added by FraXTC on Tue, 04 Jan 2022 16:14:41 +0200

H5 access to WeChat official account (super detailed)

Wechat official documents 1. Use the official account number and authenticate the developer, or apply for the test number. be careful: Debugging in WeChat developer tools must first become official account developers, and can be configured in the background of WeChat official account. Location: The official account background > settings an ...

Added by jacko_162 on Tue, 04 Jan 2022 07:54:26 +0200

JavaScript WebGL setting colors

IntroductionJavaScript WebGL draws a face Then I thought I could try something more complex. Unexpectedly, there was a problem when setting the color.OriginMy GitHubSet colorIn the previous examples, a single color was set, but each vertex can have its own color information.be based on Draw triangle There are mainly the following changes:dataVe ...

Added by brad_langdon on Tue, 04 Jan 2022 04:44:25 +0200

canvas realizes the picture around the cup to prevent the deformation command in psd

We usually use ps to modify the image through the deformation command to fit it on the cup. How can we make it with canvas? Examples in ps The demand I met is to complete the real-time rendering preview of a cup, so I need to realize this bending effect. First I write the code, and then explain the principle var canvas = document.getEleme ...

Added by xgrewellx on Mon, 03 Jan 2022 22:52:46 +0200

HTML5 final assignment: website design of tourism development scenic spots - Purple tourism development scenic spot website (4 pages) HTML+CSS+JavaScript theme hotel scenic spots

HTML5 final assignment: website design of tourism development scenic spots - Purple tourism development scenic spot website (4 pages) HTML+CSS+JavaScript theme hotel scenic spots Common web design topics include individuals, food, companies, schools, tourism, e-commerce, pets, electrical appliances, tea, home, hotels, dance, animation, star ...

Added by ghe on Mon, 03 Jan 2022 22:16:23 +0200

Data visualization - ECharts - line chart

introduction: ECharts is a data visualization chart Library Based on JavaScript, which provides intuitive, vivid, interactive and personalized data visualization charts. ECharts was originally opened by Baidu team and donated to Apache foundation in early 2018, becoming an ASF incubation project. The most direct and effective way to learn ECh ...

Added by mjax on Mon, 03 Jan 2022 20:28:29 +0200

HTML5 canvas framework fabricjs learning notes - pictures and background

preface This blog post is the second in the HTML5 canvas framework fabricjs learning notes series - pictures and backgrounds. It mainly introduces how to add picture objects, picture backgrounds and solid color backgrounds to the canvas. For the introduction, introduction and index of the framework, see Learning notes on HTML5 canvas fram ...

Added by agmorgan on Mon, 03 Jan 2022 20:11:55 +0200

HTML+CSS static page web page design operation - flower gift online shopping website (21 pages) HTML+CSS+JavaScript web page design example operation

HTML5 final assignment: Flower Gift website design - flower gift online shopping website (21 pages) HTML+CSS+JavaScript web page design example assignment 🧡Author home page - more source code 🧡HTML final assignment column Introduction to works 1. Introduction to web works: HTML final college students' web design homework A + level, you ca ...

Added by zack45668 on Mon, 03 Jan 2022 18:33:16 +0200

Beginners learn front-end - 2D attributes and 3D attributes

I have seen countless beautiful scenery, which is not as good as your review. Transform transform 2D transformation is the operation of elements in a plane. Elements can be displaced, rotated, or stretched horizontally or vertically 1,transform: none; Default value 2,transform: translate(); The unit of movement and translation is px By ...

Added by merebel on Mon, 03 Jan 2022 17:56:47 +0200