Java web learning record
javaweb
Shang Silicon Valley java web learning record
HTML
html files can be written directly by changing txt to a suffix. Use the browser to view the effect. Here are a few demo s to understand what html files can do and how to do it.
<html>
<head>
<title>This is my first web page</title>
<meta cha ...
Added by trufla on Tue, 15 Feb 2022 09:38:39 +0200
Have you mastered the knowledge points of ES7-ES12?
Array.prototype.includes()
The includes() method is used to determine whether an array contains a specified value. If it does, it returns true; otherwise, it returns false.
arr.includes(valueToFind[, fromIndex])
valueToFind, the element value to find. fromIndex optional. Search valueToFind from the fromIndex index. If it is a negative value ...
Added by Bendude14 on Tue, 15 Feb 2022 09:17:47 +0200
day01,day02 Web APIs,DOM
catalogue
1, Web APIs
2, DOM
1, Web APIs
1. Basic relevance between web APIs and JS
2.API and Web API
①API
API (Application Programming Interface) is some pre-defined functions, which aims to provide the ability for application programs and developers to access a set of routines based on some software or hardware without accessing the ...
Added by lol on Tue, 15 Feb 2022 08:11:41 +0200
How is the mask effect achieved in the LPL Ban/Pick selection stage?
Recently, the S11 LPL spring competition started. In the process of watching the competition, I found a new and interesting mask effect in the Ban/Pick selection stage of the new season, as shown in the following figure:Of course, it is a dynamic effect. In the process of selecting a candidate, there will be a breathing effect:The Gif image is ...
Added by burhankhan on Tue, 15 Feb 2022 05:30:37 +0200
Basic use of ES Module
ES Module
The blogger will continue to update various front-end technologies. If you like, you can pay attention to, collect and praise the blogger's articles.
Basic characteristics of ES Module
ESM automatically adopts strict mode and ignores' use strict 'Each ES Module runs in a separate private scopeESM requests external JS modules throug ...
Added by nitroxman on Tue, 15 Feb 2022 05:25:41 +0200
Handwritten simple version of React to thoroughly understand the fiber architecture
The biggest difference between before and after React 16 is that 16 introduces fiber and implements hooks based on fiber. I mention fiber all day. What is fiber? What is its relationship with vdom?
Instead of looking at various explanations, it's better to write a fiber version of React. When you can realize it, you must fully understand it.
...
Added by chadbobb on Tue, 15 Feb 2022 04:15:21 +0200
Understand SourceMap and improve the efficiency of front-end development by 100%
1, What is a Source Map
Generally speaking, Source Map is an information file that stores the location information after code packaging and conversion. In essence, it is a json description file that maintains the code mapping relationship before and after packaging. For an explanation of # source maps # see # Introduction to JavaScript Source ...
Added by Indersingh on Tue, 15 Feb 2022 04:05:22 +0200
Gee series: Unit 5 remote sensing image preprocessing [GEE grid preprocessing]
Unit 5: grating pretreatment
1 Introduction
In this module, we will discuss the following concepts:
Understand the types of data correction commonly used in remote sensing images.How to intuitively compare the spatial data of different preprocessing levels in the same dataset.How to perform cloud masking and cloud masking assessm ...
Added by zarathu on Tue, 15 Feb 2022 03:13:33 +0200
Handwritten common interview questions
Handwritten common interview questions
Anti shake
Principle of anti shake function: the callback is executed n seconds after the event is triggered. If it is triggered again within this n seconds, it will be timed again.
There are two situations:
Execute immediately after clickingNon immediate execution after clicking
// Non immediate exec ...
Added by Scorptique on Mon, 14 Feb 2022 16:41:42 +0200
jQuery learning notes
1. Introduction to jQuery
JavaScript+Query (query), which is a js class library to assist JavaScript development. Its core idea is write less, do more, so it realizes many browser compatibility problems.
jQuery is free and open source. Its syntax design can make development more convenient, such as operating document objects, selecting DOM el ...
Added by phpSensei on Mon, 14 Feb 2022 15:56:18 +0200