The JavaScript shorthand coding method is suitable for JavaScript shorthand skills and techniques of all stack developers. (self use, self use, self use)
1. Declare variables
It is a good practice to declare variable assignment at the beginning of a function. This shorthand method can save you a lot of time and space when declaring multiple variables at the same time.
Common writing
let x;
let y;
let z = 3;
Simplified writing
let x, y, z=3;
2. Use ternary operators
Your life becomes eas ...
Posted by Zephyris on Wed, 22 Sep 2021 09:03:21 +0200
WEB front end optimization -- HTML/CSS optimization
This series of articles is organized, recorded and expanded by the book efficient front end - Web efficient programming and optimization practice.
Optimization 1: don't use JS for problems that can be solved with HTML/CSS
Several cases are introduced
1.1 navigation highlight
This case is not an ordinary mouse to highlight, but highlight ...
Posted by Tchelo on Mon, 20 Sep 2021 22:08:46 +0200
September 14, 2021 -- Basic JavaScript syntax
1, JavaScript overview
What is JavaScript? Is an object-based and event driven client scripting language.
Official concept: This is a cross platform scripting language Platform: refers to the operating environment, which generally refers to the operating system. Cross platform means that it can run in various environments. Scripting l ...
Posted by met0555 on Mon, 20 Sep 2021 05:50:23 +0200
HTML5 basic learning
1, Structure of HTML pages
1. Basic framework of HTML
<html>Web page as a whole
<head>
<title>Page title</title>
</head>
<body>Theme of web page</body>
</html>
2. Structure of HTML tags
< tag name attribute name = attribute value > content < / tag name >
2 ...
Posted by mikeylikesyou on Sun, 19 Sep 2021 19:46:27 +0200
Notes on JS
——JS code should be written to the script tag
Control the browser to pop up a warning box alert("first JS code");
Let the computer output a content in the page document.write() can output a content to the body
Output a content console.log() to the console;
You can write js code into the onclick attrib ...
Posted by inferium on Sat, 18 Sep 2021 12:00:30 +0200
Spring boot develops large file upload service and breakpoint continuation function
Recently, I received a commercial project, which involves the problem of large file upload server and breakpoint continuation. I saw a good technical article to share with you.
Recently, due to the product needs of the R & D group where the author works, it is required to support high-performance large file http upload and http breakpoint ...
Posted by NiGHTFiRE on Sat, 18 Sep 2021 11:22:42 +0200
HTML5 final assignment: personal website design - shiyike personal design studio (6 pages) HTML+CSS+JavaScript
HTML5 final assignment: personal website design - shiyike personal design studio (6 pages) HTML+CSS+JavaScript final assignment HTML code student web page course design final assignment Download Web page design and production finished products
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Near the end of the term, ...
Posted by edup_pt on Fri, 17 Sep 2021 05:04:19 +0200
Six common inheritance methods of JS
Inheritance can make subclasses have various methods and properties of the parent class. Think about a few questions first:
How many implementations are there for JS inheritance? Which inheritance method is used to implement the extensions keyword of ES6?
1, Several ways to implement inheritance in JS
First: prototype chain inheritanc ...
Posted by gfX on Thu, 16 Sep 2021 02:19:56 +0200
JavaScript -- basic knowledge of functions
1. Concept of function
Functions are also called function s and methods.
A function can encapsulate a piece of code. The encapsulated function has a special function. As a complete structure (function body), a piece of internally encapsulated code will be executed if it is to be executed, or it will not be executed if it is not executed.
2. ...
Posted by christh on Wed, 15 Sep 2021 09:20:33 +0200
Solutions to common browser compatibility problems at the front end
preface:
Different browsers have different kernels, so there are some differences in web page parsing among browsers. The browser kernel is mainly divided into two types: rendering engine and js engine Therefore, browser compatibility generally refers to css compatibility and js compatibility
browserKernel (rendering engine)Chrome Google ...
Posted by Klojum on Tue, 14 Sep 2021 05:51:30 +0200