[suggested collection] here are all the Vue3 core source codes you want to know
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Effect and Reactive
As the core of Vue's responsive princi ...
Posted by maxpup979 on Wed, 26 Jan 2022 02:04:57 +0100
Cutting exercise notes - staggered floating version
Staggered floating plate
target
Step 1.
Basic architecture. The item contains picture blocks and text blocks. The size of the picture is 600x350
<body>
<div class="wrap">
<!-- item 1 -->
<div class="item">
<div class="pic">
<img src="https://picsum.photos/6 ...
Posted by walkonet on Tue, 25 Jan 2022 17:23:25 +0100
Java basics regular expressions
catalogue
1. Overview of regular expressions
2. Steps for using regular expressions:
3. Purpose of learning regular expressions:
4. Basic syntax of regular expressions:
(1) Literal characters:
(2) Metacharacter:
a. Character class:
b. Scope class:
c. Predefined classes:
d. Boundary class:
e. Quantifier:
f. Grouping:
g. back referen ...
Posted by blacklotus on Tue, 25 Jan 2022 17:18:25 +0100
Teach you to design a Neumorphism style digital clock with JavaScript (detailed code)
A clock is a device that we use to measure time. If used properly, the clock is a useful element for any UI. The clock can be used for websites with time as the main focus, such as some booking websites or some applications that display the arrival time of trains, buses, flights, etc. There are basically two types of clocks, analog and digita ...
Posted by WhiteHawk on Tue, 25 Jan 2022 15:43:53 +0100
Common cross domain solutions at the front end
catalogue
preface
Cross domain
Cross domain solutions
I Modify local HOST:
II JSONP
III CORS
Quad proxy
preface
Send request XMLHttpRequest(ajax, $ajax, axois),fetch
http://192.168.0.103:8080/
file:///F://vue Stage / Vue Engineering/_ systerm/public/index. The HTML: File protocol does not allow sending ajax requests
In normal pro ...
Posted by HeinekenBeer on Tue, 25 Jan 2022 15:42:37 +0100
Detailed explanation of the use of Redux + React Redux + Redux thunk in the actual project development of React
React is our view framework, but it is difficult to manage the data state that needs to be shared during large-scale project development. Components with obvious parent-child relationship are also more convenient to transfer values, but it is very troublesome for unrelated components to transfer values. At this time, we need to use our state ma ...
Posted by mamuni on Tue, 25 Jan 2022 14:59:43 +0100
Performance optimization and practice of front-end picture rendering - lazy loading of pictures
preface
For the home page APP with a large number of pictures, you need to add a large number of pictures when opening the commodity display page. In this scenario, if you directly load the full amount, it will inevitably lead to excessive page performance consumption, white screen or Caton, and the user experience is very bad. Do users really ...
Posted by yousaf931 on Tue, 25 Jan 2022 12:43:30 +0100
JavaScript - String of data type
A data type is a literal type
There are eight basic data types in JavaScript (the first seven are basic data types, also known as primitive types, while object is a complex data type).
Number is used for any type of number: integer or floating-point number, an integer in the range of ± (253-1).bigint is used for integers of any length. ...
Posted by bobocheez on Tue, 25 Jan 2022 11:54:38 +0100
Front-end-dynamic web Technology
ES6
let keyword
<script>
// es6 defines variables
// js definition: var has no scope, the same variable can be declared multiple times
// es6: let scope code is fast, the same variable can only be declared once
{
var a = 1
let b = 2
}
console.log(a) // 1
console.log(b) // Uncaught ReferenceError: ...
Posted by easyedy on Tue, 25 Jan 2022 08:30:32 +0100
[first stage of front-end employment course] HTML5 zero foundation to actual combat hyperlink
In order not to affect reading, the directory is at the bottom
Note: when the mobile phone (APP) is turned on, the content will be displayed better, and you can only chat with bloggers who won't talk privately If you want to get the code, just pull it to the bottom of the blog, and the directory is also at the bottom
1, External resource hype ...
Posted by brownka on Tue, 25 Jan 2022 07:44:53 +0100