Add a progress bar for Vue's lazy loading
Author: Stack AbuseCrazy technology househttps://stackabuse.com/lazy-l...Reprinting without permission is strictly prohibited
brief introduction
Usually Vue JS when writing a single page application (SPA), when loading the page, all necessary resources (such as JavaScript and CSS files) will be loaded together. This can lead to a poor user expe ...
Posted by benrussell on Tue, 10 May 2022 17:02:05 +0300
Use node JS processing CORS
By Janith KasunCrazy technology houseOriginal text: https://stackabuse.com/handli...Reprinting without permission is strictly prohibited
introduce
In this paper, we will study how to configure CORS with Express and customize CORS middleware as needed.
What is CORS
CORS is short for "cross domain resource sharing". It is a mechanism th ...
Posted by domainshuffle on Tue, 10 May 2022 04:22:53 +0300
vue project landing (qiankun.js) micro front-end service
What is a micro front end?
Copied online:
Micro front end is an architecture similar to micro services. It applies the concept of micro services to the browser, that is, the single page front-end application is transformed from a single single application to an application in which multiple small front-end applications are aggregated into ...
Posted by newzub on Tue, 10 May 2022 04:10:58 +0300
vue core interview question: vue parent-child component life cycle call sequence
1, Order
1. Load render pass
Parent beforecreate - > parent created - > parent beforemount - > child beforecreate - > child created - > child beforemount - > child mounted - > parent mounted
2. Sub component update process
Parent BeforeUpdate - > child BeforeUpdate - > child updated - > parent updated
3. Paren ...
Posted by CodeBuddy on Mon, 09 May 2022 23:06:28 +0300
Electron+vue build a local player from scratch
Why?
My girlfriend works in the late stage of audio. She usually collects some audio music and needs to see the spectrum waveform of audio. It's very inconvenient to play music and see the waveform every time with a large software such as au. Seeing her so hard, as a program ape, I feel very sad. Therefore, there is such a small software. The ...
Posted by jamesgrayking on Mon, 09 May 2022 21:23:01 +0300
Object method commonly used in ES6: object keys(),Object.values() ...
1. Object.assign()
Object.assign() is used to copy the values of all enumerable attributes from one or more source objects to the target object.
Syntax: object assign(obj, ...sources)
obj: target object
sources: source object, which can be multiple
Return target object
Copy an object
const obj = { a: 1 }
const copy = Object.assign({}, obj)
co ...
Posted by benji2010 on Mon, 09 May 2022 13:38:14 +0300
JS inheritance method
Extensions class of es6
class Person {
constructor(gender) {
this.gender = gender;
}
say(msg) {
console.log(msg);
}
}
class Teacher extends Person {
constructor(age) {
super('male');
this.age = age;
}
}
const mike = new Teacher(26);
mike.age // 26
mike.gender // male
mike.say('hello') // ...
Posted by naveendk.55 on Mon, 09 May 2022 12:26:39 +0300
Front end Bootstrap framework
Bootstrap introduction
Bootstrap is Twitter's open source front-end framework based on HTML, CSS and JavaScript.
It is a set of front-end toolkit designed for rapid development of Web applications.
It supports responsive layout and adheres to mobile device priority after V3 version.
Why use Bootstrap?
Before Bootstrap appears:
Naming: repetit ...
Posted by parthatel on Sun, 08 May 2022 15:15:54 +0300
10 HTML file upload techniques useful to web developers
By Tapas AdhikaryTranslator: front end XiaozhiSource: dev
Like and watch again to form a habitThis article GitHub https://github.com/qq44924588... It has been included in the, more classification of high praise articles in previous periods, and also sorted out a lot of my documents and tutorial materials. Welcome Star and perfect. You can revie ...
Posted by tstout2 on Sun, 08 May 2022 10:33:04 +0300
php+mysql+cookie + modular development
PHP
PHP output
<?php
echo "Hello";
echo("Hello");
print("Hello");
print "hello";
var_dump("Contact PHP");//Code debugging uses this
Define variables
php is a weak reference language, so it's easy to use.
data type
array
1. Index array subscripts are numbers called index arrays 2. The subscript of associative array is a st ...
Posted by phenley on Sun, 08 May 2022 09:05:26 +0300