About: 10 recommended articles about HTML

                                                                                                                                                                                                                                                                please indicate the source when reprinting: The final chapter of the detailed analysis of HTML5 security attack and defense: HTML5’s security improvements HTML5 makes a lot of additions to the old security strategies. 1. iframe sandbox HTML5 adds a sandbox attribute to the iframe element to prevent untrusted web pages from performing certain operations, such as accessing the DOM of the parent page, executing scripts, accessing local storage or local databases, etc. But this security strategy will bring other risks, which is very interesting. For example, ClickJacking attacks prevent JavaScript scripts from running to bypass JavaScript defense methods. 2. CSP content security policy XSS bypasses the same-origin policy through fake content and clickbaiting. The core of the XSS attack is that the browser cannot distinguish whether the script is injected by a third party or is actually part of your application. CSP defines the Content-Security-Policy HTTP header to allow you to create a whitename of a trusted source

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#Introduction:           Please indicate the source for reprinting: HTML5 Security Attack and Defense The final chapter of the detailed analysis: HTML5’s security improvements HTML5 has made a lot of additions to the old security strategies. 1. iframe sandbox HTML5 adds a sandbox attribute to the iframe element to prevent untrusted web pages from performing certain operations, such as accessing the DOM of the parent page, executing scripts, accessing local storage or local databases, etc. But this security policy will bring...

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Recommend 10 graffiti special effects (collection)

Introduction: This article mainly teaches you how to use Html5 to write your own drawing board, draw, adjust colors and other operations. Interested friends can refer to it. Recently I learned about the powerful drawing function of HTML5 which surprised me, so I wrote a gadget---Graffiti Pad, which can realize the following functions: drawing, changing color, and adjusting brush size. Drawing in HTML5 can be divided into points, lines, and surfaces. Circles, pictures, etc., points and lines, these are the basic points of all plane effects. With these two things, there is nothing that cannot be drawn, only unexpected algorithms. Let’s start with the code: htmlXML/HTML...

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How to use the drawing tool? Summary of usage examples of drawing tools

##Introduction: After learning the path drawing circle in HTML5 last time, we made it dynamic The clock and the reversal of different-dimensional space created a moving solar system. In the past two days, I combined knowledge points such as line drawing, circle drawing, and filling to create a simple online drawing tool: View DEMO: HTML5 simple online drawing tool functions include free Brushes, erasers, text filling, drawing triangles, circles, etc. are quite difficult for a novice like me, but I still "spelled" them out slowly by referring to the information. Free brush ideas: /******* Free Brush *******/fun...

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5 reasons why Java developers must pay attention to HTML5

Introduction: In the past, Java developers relied on web browsers as the front-end for their applications. But the process is often frustrating: HTML is clunky, JavaScript is slow and difficult to use, debugging tools are lacking, and trying to make your application compatible with all browsers is a...

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html, css and js file loading sequence and execution

##Introduction: See html, css, js loading execution, I found that I didn’t really understand it. After searching online for half an hour, I still couldn’t figure it out. At this time, I found a passage that suddenly made me realize it, as follows: HTML page loading and parsing process

6. CSS3 animation implements 5 preload animation effects

#Introduction: To achieve the animation effect as shown in the figure: Preload animation 1: Double rotating circle A circle rotating in two different directions. We define a CSS code for the speed of the inner ring, that is, the speed of the inner ring is 2 times faster than that of the outer ring. The implementation is as shown in the figure: html code: {code...} css code: {code...} Preload animation two:...

7. Article Understand the difference between JavaScript, Java, and php

## Introduction: The practice of website development starts from the design aspect. Includes client-side programming languages. Broadly speaking, three languages ​​are used in web design: HTML, CSS, and JavaScript. HTML and CSS have been the foundation of web design since the invention of websites, but JavaScript is used to add dynamic views to websites. JavaScript plays a vital role in providing attractive UI/UX. However, there is a big misconception about JS being part of Java. Sometimes, JavaScript is also compared to the server language PHP.

8. Detailed introduction to the sample code for implementing Jiugongge in Html5 responsive design (picture)

Introduction: Since the concept of responsive design was proposed, more and more websites have adopted this idea. Various large-scale websites have also sprung up like mushrooms after a rain. Such as: Xiaomi Mall, Tmall, etc. As for the concept of responsive design, you can go to Baidu and Baidu. I don’t believe in explaining it here. I will directly bring you the source code and use Html5 to implement the responsive nine-square grid. The code is as follows: html5 responsive nine-square grid

9. HTML5/CSS3 classic case - drag and drop to upload images without plug-in (2)

Introduction: The previous article has implemented the overall HTML and CSS of this project: HTML5 CSS3 Classic case: None The plug-in drags and drops to upload images (supports preview and batch) (1) This blog is directly based on the previous article. The final effect is: Rendering 1: Rendering 2: Okay, please allow me to post the image twice. It is convenient for everyone to see the effect~ You can see that the html of our picture li is actually quite complicated, so I made some modifications to the html document:

10. 《 ASP.NET》Data binding—Repeater graphic and text explanation

Introduction: I learned HTML static before Web programming, I understood some of the syntax, but I felt that I was not satisfied with Web programming enough, so I followed the plan and started the ASP.NET journey. Before writing this ASP.NET blog, I would like to first compare the differences and connections between ASP.NET and HTML. 1. Connections and differences: HTML is programmed on the client side and usually generates static web pages; ASP.NET is programmed on the server side and can usually generate dynamic web pages. Controls in ASP.NET are controls in HTML

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