Programming VIP

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 ...

1, Introduce vercel Vercel is a site hosting platform that provides CDN acceleration. Similar platforms include Netlify and Github Pages. In contrast, vercel has faster access speed in China and provides Production environment and development environment. It is very useful for project development and supports continuous integration. One pus ...

preface The 2020 Tokyo Olympic Games has been open for many days. I still remember that when I was a child, I watched the 2008 Beijing Olympic Games. The theme song was Beijing welcomes you. At that time, I went to primary school. Almost every game of the Chinese team must be seen. At that time, my blood was boiling. The time has passed by 202 ...

event 1. Introduction We can often see such operations on the website. When we click a button or perform relevant operations on the browser, the page will respond with our operations. Then these operations performed on the browser window or web page through the mouse or button are events. If a piece of program code is bound to an event, as lo ...

JavaScript details - Lao sun Course objectives: JavaScript introductionCombination of HTML and JavaScriptUse of JavaScriptDOM operationBOM operation 1. Introduction to JavaScript Although java is used as the prefix, the relationship between java and javascript is like the relationship between wife and wife cake. There is no relationship of ...

1, Dynamically create elements 1. Native js create node document.createElement(); Note: create element node document.createTextNode(); Note: create text node 2. jQuery create node html(): set or get content Get content: the html() method does not give parametersSetting content: parameters of html() method $('#btnHtml1').click(fu ...

HTML5 final assignment: environmental protection website design - environmental protection - environmental equipment (5 pages) HTML+CSS+JavaScript environmental protection and environmental optimization Common web design topics include individuals, food, companies, schools, tourism, e-commerce, pets, electrical appliances, tea, home, hotels ...

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 ...

Servlet realizes simple front-end and back-end interaction First, what is the front-end and back-end interaction? In my understanding, it is probably like this: In short, it is data exchange Next, let's see how to implement this simple interaction: 1. First, we don't write a static page at the front end, but directly pu ...

This paper understands Promise principle by implementing a simple class, compares Promise with traditional callback, shows Promise's advantages in asynchronous programming, and finally introduces Promise's application in practical development. I concept Promise decouples asynchronous operations from callbacks and associates them through execu ...