2021SC@SDUSC Source code analysis of "F2 mobile terminal visualization scheme" -- Node terminal
Node side rendering F2
Although F2 is used for charting based on Html5 Canvas by default, for the current runtime environment, F2 can also be used for charting as long as it can provide the same context interface as the Html5 Canvas context environment.
The following table shows the functional comparison of F2 available in each operating en ...
Posted by ljCharlie on Sun, 05 Dec 2021 17:18:00 +0100
NodeJS Basics
1, Introduction to Nodejs
1. Getting to know NodeJS
NodeJS is a javascript running environment based on Chrome V8 engine.
2. Module
There are many built-in API modules in NodeJS: fs, path, http, js built-in object, querystring, etc; Cannot operate without DOM and BOM.
3. Learn what NodeJS can do?
1. web application development can be done ...
Posted by ratcateme on Tue, 30 Nov 2021 15:07:59 +0100
JavaScript asynchrony (the third of the three required students) - Episode 3: Promise
concept
What's promise? It is a constructor and a solution for asynchronous operation. It is generally used to solve callback hell (nested functions)
Let's look at a set of codes first
// Load picture
function loadImg(src) {
const p = new Promise(
(resolve, reject) => {
const img = document.createElement('img');
...
Posted by artin on Sat, 27 Nov 2021 03:59:55 +0100
css selector (basic usage)
catalogue
4, Pseudo class selector (weight: 001)
1,: link,: hover,: active,: visited
2,: focus (used to select the element that gets the focus)
3,: lang(fr) (special language for matching)
4,: not (selector) (matches each element of non specified element / selector)
5,: root (matching document root element)
6，:first-child，:l ...
Posted by mol on Thu, 25 Nov 2021 06:29:31 +0100
HTML5 final assignment: website design of art Mall - art shopping art mall web page (1 page) HTML+CSS+JavaScript student DW web page uses html+css to realize a static page (including source code)
HTML5 final assignment: website design of art Mall - art shopping art mall web page (1 page) HTML+CSS+JavaScript student DW web page uses html+css to realize a static page (including source code)
Common web design topics include individuals, food, companies, schools, tourism, e-commerce, pets, electrical appliances, tea, home, hotels, dance ...
Posted by silvermice on Thu, 25 Nov 2021 04:35:26 +0100
HTML5 final assignment: small gift shopping website design - small gift shopping mall website (12 pages) HTML+CSS+JavaScript html web page design final assignment_ Web design homework
HTML5 final assignment: small gift shopping website design - small gift shopping mall website (12 pages) HTML+CSS+JavaScript html web page design final assignment_ Web design homework
Common web design topics include individuals, food, companies, schools, tourism, e-commerce, pets, electrical appliances, tea, home, hotels, dance, animation, ...
Posted by Moesian on Wed, 24 Nov 2021 22:45:48 +0100
[front end nanny level notes] super detailed html notes!!! (produced by Xiaobai)
html skeleton
Basic skeleton
<html>
<head>
<title> </title>
</head>
<body>
</body>
</html>
Complete skeleton
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
& ...
Posted by cags on Tue, 23 Nov 2021 23:05:22 +0100
Learning notes on Web front end development 07--HTML and CSS
1. Advanced CSS skills
1.1 wizard diagram
Sprite technology is mainly used for background pictures, which is to integrate multiple small background pictures into a large picture
When moving a background picture, you can only use background positionThe moving distance is the x and y coordinates of the target imageThe value is negativeWhen ...
Posted by phpknight on Sun, 21 Nov 2021 10:31:04 +0100
ES6 of JavaScript (self study)
ES6 introduction
ES6, fully known as ECMAScript 6.0, is the next version standard of JavaScript, which was released in June 2015.
ES6 is mainly to solve the inherent shortcomings of ES5. For example, there is no concept of class in JavaScript, but currently the JavaScript of browsers is ES5 version, and most adva ...
Posted by khovorka on Sun, 21 Nov 2021 01:59:17 +0100
HTML5 web page text foundation
catalogue
1, Title
① Marking of title
② Title Alignment
2, Writing
① Decoration of words
② Superscript and subscript of text
③ Special symbols
3 ...
Posted by mr.rum on Thu, 18 Nov 2021 17:13:24 +0100