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Want to know what you can learn in the latest offline courses of the Dark Horse Front-end Employment Edition?
j**ascript basics.
When it comes to the basics of j**ascript, there are mainly the following aspects:
1.Variables and data types:
Variable Declaration:usevarlet, orconstKeywords.
Data Type:Basic data types include number, string, boolean, null, and undefined. There are also complex data types such as objects and arrays.
j**ascriptlet name = "john";let age = 25;let isstudent = true;let person = ;let numbers = [1, 2, 3, 4, 5];2.Operator:
j**ascript provides a series of operators, including arithmetic operators, comparison operators, logic operators, and so on.
j**ascriptlet sum = 5 + 3;let isequal = (10 === 10);Note the difference between full equals (===) and equals (==) let logicaland = true && false;3.Process Control:
useifelse ifelseCondition judgments, as wellforwhiledo-whilePerform the cycle.
j**ascriptlet num = 10;if (num > 0) else if (num < 0) else for (let i = 0; i < 5; i++)4.Functions:
Define and invoke functions. Functions can have arguments and return values.
j**ascriptfunction greet(name) let greeting = greet("john");console.log(greeting);5.Arrays and Objects:
An important structure for processing data. Arrays are used for ordered data, and objects are used for key-value pairs.
j**ascriptlet fruits = ["apple", "banana", "orange"];console.log(fruits[0]);let person = ;console.log(person.name);6.DOM Operation:
Manipulate the Document Object Model (DOM) to interact with HTML documents.
j**ascript get element let element = document.getelementbyid("myelement");Modify the content elementinnerhtml = "new content";Add the event ***elementaddeventlistener("click", function()7.Asynchronous Programming:
Handle asynchronous tasks, such as using the ** function, promise, async await.
j**ascript uses promisefunction fetchdata() else } uses async awaitasync function getdata() catch (error) }This is just an overview of the basics of j**ascript, and as you learn more, you may encounter more complex concepts and techniques. It is advisable to consolidate the fundamentals through actual coding and project practice. At the same time, consulting resources such as MDN (Mozilla Developer Network) can provide detailed documentation and examples.
Mobile web front-end development primarily involves building responsive, mobile-friendly web pages using HTML, CSS, and JASCRIPT. Here are some of the key concepts and techniques related to mobile web frontends:
1. html5：
Use HTML5 tags to build the structure of your page. For example,and so on to better describe the structure of the document.
2. css3：
Use CSS3 to implement page styling. Media queries can be used to apply different styles depending on the screen size of the device for responsive design.
Flexbox and Grid layouts can be used to work more flexibly with page layouts.
3.Responsive Design:
Technologies such as query and flexible layout enable adaptation to different sizes of devices, including phones, tablets, and desktops.
4.Mobile Optimized:
Use the Viewport Meta tag to control the size of the viewport to ensure that the page displays correctly on mobile devices.
Optimize images and resources to improve page load speed.
Use touch events to deliver a better mobile experience.
html5.Mobile Frameworks and Libraries:
Use mobile development frameworks and libraries such as React Native, VueJS, or Angular, etc., to build mobile apps more efficiently.
6.Mobile Web Application (PWA):
PWA is a type of web application that provides a native application-like experience through modern web technologies. Includes features like offline access, push notifications, and more.
7.Performance Optimization:
Improve the performance of mobile web applications through technologies such as compression, resource merging, and lazy loading.
8.Front-end tools:
Use build tools (e.g., webpack, parcel) and package management tools (e.g., npm, yarn) to streamline the development process.
9.Browser Compatibility:
Consider the compatibility of different browsers on different mobile devices to ensure that your app works properly on major browsers.
10.Mobile Debugging:
Use browser developer tools, emulators, or real devices for mobile debugging.
11.Security:
Pay attention to the security when handling user data and avoid common security vulnerabilities such as cross-site scripting (XSS) and cross-site request forgery (CSRF).
The uses and benefits of the latest offline courses in the pre-school employment version.
Comprehensive learning of front-end technologies:Front-end development involves multiple technologies such as HTML, CSS, and J**ascript, and an offline course can provide systematic teaching to help students learn and master these skills holistically.
Hands-on project experience:Offline courses often include practical projects, and through hands-on practice, students can apply what they have learned and gain real-world project experience.
Teamwork & Communication:In the next course, students have the opportunity to work together with other students on projects, which helps to develop teamwork and communication skills, which are very important in the real world.
Mentoring:Having a tutor can help students better understand difficult points, solve doubts, and get real-time feedback. This face-to-face communication is often more straightforward than learning.
Practical Skills Assessment:Through practical projects and course completion assessments, students can obtain more intuitive skills assessments, which will help improve their competitiveness in job hunting.
Interactivity and real-time feedback:Offline classes provide a face-to-face learning environment, where students can ask questions to their tutors at any time and get real-time feedback to facilitate learning.
Teamwork:Students can work with their classmates to complete projects that simulate a teamwork environment and develop teamwork and problem-solving skills.
Practical project experience:By participating in real-world projects, students gain a deeper understanding of the practical applications of front-end development and prepare them for future jobs.
Interview Preparation:Some in-person courses may provide interview preparation coaching to help students better prepare for interviews for front-end development positions.
Networking opportunities:**In the next course, students can establish face-to-face connections with mentors and classmates, expand their professional network, and gain more employment opportunities.