JavaScript quick start
Task description:
JavaScript language has many grammatical concepts, such as functions, events and so on. This article is just a quick introduction. It will complete the implementation of the basic interactive function of a web page, so as to have a basic understanding of JavaScript.
Before learning this content, you should have mastered some ...
Posted by sealMail on Tue, 10 May 2022 03:27:01 +0300
Why is Proxy so important in Javascript?
Four practical examples help you master the powerful functions of JavaScript
What is an agent? What exactly does it do? Before explaining, let's look at a real example.
Each of us has a lot of things to do in our daily life, such as reading e-mail, receiving express and so on. Sometimes we may feel a little anxious: there are a lot of spam on ...
Posted by dennyx on Tue, 10 May 2022 03:05:57 +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
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
JS object-oriented inheritance
Prototype chain
In JS, the prototype chain is the way to implement inheritance. Since there is no concept of class in JS, it implements the inheritance relationship between constructors.
The so-called inheritance is that the properties and methods in the parent can be accessed in the child object. The following code implements the inheritance ...
Posted by richardbotw on Mon, 09 May 2022 09:51:08 +0300
bugkuctf
bugkuctf: https://ctf.bugku.com
Target address: http://123.206.31.85:1616/
After entering the drone, select the character attribute you want and start the game
After looking at other game functions, I found that we need to defeat the old demon through crusade to clear the level
You can buy Tathagata Palms from the mall, but you need to ...
Posted by Mirge on Mon, 09 May 2022 00:24:45 +0300
Communication methods in Vue
Communication methods in Vue
1.props/$emit
Parent to child (property transfer props)
When a parent component transmits data to a child component, it transmits data through attributes: 1. Parent component: use attribute binding to transfer data ==Note: = = son refers to the name of the sub component, for example: This is generally used when ...
Posted by kobmat on Sun, 08 May 2022 22:08:31 +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
JS notes - iterators
iteration means "repeat" or "come again". In the field of software development, it means that a program is executed repeatedly in sequence, usually with clear termination conditions.
I Understanding iteration
Counting loops are the simplest iterations
Loop is the basis of the iteration mechanism, because it can specify the n ...
Posted by Fabis94 on Sun, 08 May 2022 07:38:24 +0300