[React] < JavaScript framework > Event Processing & high-order function & function coritization
catalogue
1, Event handling:
2, Collect form data:
1. Controlled components:
2. Uncontrolled components:
3, Higher order function & coritization of function:
1. Function coritization:
Overview of coritization:
Application of coritization:
2. No coritization:
1, Event handling:
Specify the event handler function through t ...
Posted by Stickdragon on Sun, 30 Jan 2022 15:03:49 +0100
Basic knowledge of css (1)
catalogue
I Definition of css
II Style type
1) Inline style
2) Internal style sheet
3) External style sheet
III Basic grammar
IV Element relation
V css selector
1) Element selector
2) id selector
3) Class selector
4) universal selector
5) selector grouping (Union selector)
6) Composite selector (intersection selector)
7) sub ele ...
Posted by clanstyles on Sun, 30 Jan 2022 13:34:03 +0100
js basic knowledge summary
catalogue
1, Data type
1. Forced conversion type:
2, Operator
Unary operator:
Self increasing and self decreasing:
Logical operators:
Assignment operator:
Relational operators:
Equality operator:
Conditional operator:
Process control statement:
3, Object
Function:
Prototype object:
Array
Date:
Math object:
...
Posted by PHPLRNR on Sun, 30 Jan 2022 12:12:20 +0100
Cutting exercise notes
Cutting exercise notes (II)
Target
Step 1.
Basic structure and content
<body>
<div class="wrap">
<div class="item">
<img src="https://picsum.photos/500/400/?random=1">
<div class="txt">
<h2>Goldfish can understand how to cut this web page picture : I ...
Posted by noeffred on Sun, 30 Jan 2022 11:49:29 +0100
Prototype and prototype chain of JavaScript
preface JavaScript prototype and prototype chain have always been the focus and difficulty of interview, which is not so easy to understand.
text Understanding several key points of prototype makes it easier to understand the concept of prototype:
1. All reference types (arrays, objects, functions) can freely extend attributes (except null); ...
Posted by lhcpr on Sun, 30 Jan 2022 10:12:10 +0100
Common HTML Tags:
Common labels:
1. Title label h1-h6 (important)
In order to make web pages more semantic, we often use title tags in pages. HTML provides six levels of web page titles, namely h1-h6.
<h1>This is the first level title</h1>
Abbreviation for the word head, meaning head and title.
Label semantics:
Used as a title and diminishing ...
Posted by Heatmizer20 on Sun, 30 Jan 2022 09:38:15 +0100
TypeScript advanced usage
typescript advanced usage
introduction As a powerful static type checking tool, TypeScript can be seen in many large and medium-sized applications and popular JS libraries. As a weakly typed language, JS will modify the type of variables without paying attention in the process of writing code, resulting in some unexpected runtime errors. Howev ...
Posted by kimberlc on Sun, 30 Jan 2022 09:17:20 +0100
JavaScript nanny level tutorial - detailed analysis of key and difficult points (10000 word long article, recommended Collection)
This paper sorts out some key points, difficulties and knowledge points that are not easy to understand in JSThis article is very detailed and in-depth explanation, including learning and meeting
1. JS function
1.1 what is a function?
A function (method) is a reusable block of code that is event driven or executed when it is called ...
Posted by hardius on Sun, 30 Jan 2022 07:33:52 +0100
[Web three piece set] 20000 words to get you started CSS
1. Basic introduction to CSS
1.1 understanding CSS
CSS(Cascading Style Sheets):
CSS, or cascading style sheet, is a computer language used to represent file styles such as HTML (an application of Standard General Markup Language) or XML (a subset of Standard General Markup Language). CSS can not only modify the web page statically, but ...
Posted by etully on Sun, 30 Jan 2022 06:50:31 +0100
This article is enough for the back-end personnel of the front and back-end asynchronous request Library of Axios to master the knowledge from 0-0.5~
📑 Content of this article: This article is enough for the back-end personnel of the front and back-end asynchronous request Library of Axios~ 📘 Article column: Front end knowledge (knowledge points to be mastered at the back end) 🎬 Last updated: January 29, 2022 This article is enough for the back-end personnel of the front and back-end asy ...
Posted by bp90210 on Sun, 30 Jan 2022 06:41:02 +0100