5 recommended articles about naming
The function scope in JavaScript exists to "hide" variables and functions. It conforms to our principle of least privilege. Another benefit is that it can avoid conflicts with identifiers of the same name. Today we will mainly talk about this immediate execution function. Before this review, anonymous functions and named functions, whether anonymous or named, are function declarations for function expressions. They must have a name, otherwise an error will be reported function foo(){ //Function declaration //...}Here I will explain an Easter egg. Maybe you always like to use some sample codes when I write articles. Words like fn, func, demo, foo, bar, foobar fn and func are the abbreviations of function Demo is the abbreviation of the word demonstration "example" foo, bar, foobar we have
1. Detailed explanation of JavaScript anonymous, named functions and immediate execution functions IIFE
Introduction: The function scope in JavaScript exists to "hide" variables and functions in line with our principle of least privilege. Another benefit is that it can avoid identifiers with the same name. Today we mainly talk about this immediate execution function. Before that, we review anonymous functions and named functions. Whether anonymous or named, anonymous functions and named functions are function declarations for function expressions, so they must have names. Otherwise, an error will be reported function foo(){ //Function declaration //...} This
2. C#Optional parameters and named parameters
Introduction: C# optional parameters and named parameters
3. javascript Recommended four calling methods for named functions, page 1/3_javascript skills
Introduction: There is no difference in the execution results of the four methods. But if the function has a return value, you may be a little disappointed when calling it with new.
Introduction: The various calling methods of named functions have been introduced in the previous section. This article looks at how to determine whether a function is called by new or by other methods.
5. Summary of various calling methods of named functions in JavaScript_javascript skills
Introduction: This article It mainly introduces a summary of the various calling methods of named functions in JavaScript. This article summarizes 4 methods. Friends in need can refer to
[Related Q&A recommendations]:
javascript - Regarding the selection of dispatch and callback in Vue
javascript - Regarding the reassignment of the function itself within the named IIFE?
c++ - Unnamed namespace cannot be placed in .h
javascript - Vue component named slot traversal problem
javascript - Named functions cannot be accessed outside the function
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Demystifying JavaScript: What It Does and Why It Matters
Apr 09, 2025 am 12:07 AM
JavaScript is the cornerstone of modern web development, and its main functions include event-driven programming, dynamic content generation and asynchronous programming. 1) Event-driven programming allows web pages to change dynamically according to user operations. 2) Dynamic content generation allows page content to be adjusted according to conditions. 3) Asynchronous programming ensures that the user interface is not blocked. JavaScript is widely used in web interaction, single-page application and server-side development, greatly improving the flexibility of user experience and cross-platform development.
The Evolution of JavaScript: Current Trends and Future Prospects
Apr 10, 2025 am 09:33 AM
The latest trends in JavaScript include the rise of TypeScript, the popularity of modern frameworks and libraries, and the application of WebAssembly. Future prospects cover more powerful type systems, the development of server-side JavaScript, the expansion of artificial intelligence and machine learning, and the potential of IoT and edge computing.
JavaScript Engines: Comparing Implementations
Apr 13, 2025 am 12:05 AM
Different JavaScript engines have different effects when parsing and executing JavaScript code, because the implementation principles and optimization strategies of each engine differ. 1. Lexical analysis: convert source code into lexical unit. 2. Grammar analysis: Generate an abstract syntax tree. 3. Optimization and compilation: Generate machine code through the JIT compiler. 4. Execute: Run the machine code. V8 engine optimizes through instant compilation and hidden class, SpiderMonkey uses a type inference system, resulting in different performance performance on the same code.
JavaScript: Exploring the Versatility of a Web Language
Apr 11, 2025 am 12:01 AM
JavaScript is the core language of modern web development and is widely used for its diversity and flexibility. 1) Front-end development: build dynamic web pages and single-page applications through DOM operations and modern frameworks (such as React, Vue.js, Angular). 2) Server-side development: Node.js uses a non-blocking I/O model to handle high concurrency and real-time applications. 3) Mobile and desktop application development: cross-platform development is realized through ReactNative and Electron to improve development efficiency.
Python vs. JavaScript: The Learning Curve and Ease of Use
Apr 16, 2025 am 12:12 AM
Python is more suitable for beginners, with a smooth learning curve and concise syntax; JavaScript is suitable for front-end development, with a steep learning curve and flexible syntax. 1. Python syntax is intuitive and suitable for data science and back-end development. 2. JavaScript is flexible and widely used in front-end and server-side programming.
How to Build a Multi-Tenant SaaS Application with Next.js (Frontend Integration)
Apr 11, 2025 am 08:22 AM
This article demonstrates frontend integration with a backend secured by Permit, building a functional EdTech SaaS application using Next.js. The frontend fetches user permissions to control UI visibility and ensures API requests adhere to role-base
From C/C to JavaScript: How It All Works
Apr 14, 2025 am 12:05 AM
The shift from C/C to JavaScript requires adapting to dynamic typing, garbage collection and asynchronous programming. 1) C/C is a statically typed language that requires manual memory management, while JavaScript is dynamically typed and garbage collection is automatically processed. 2) C/C needs to be compiled into machine code, while JavaScript is an interpreted language. 3) JavaScript introduces concepts such as closures, prototype chains and Promise, which enhances flexibility and asynchronous programming capabilities.
How do I install JavaScript?
Apr 05, 2025 am 12:16 AM
JavaScript does not require installation because it is already built into modern browsers. You just need a text editor and a browser to get started. 1) In the browser environment, run it by embedding the HTML file through tags. 2) In the Node.js environment, after downloading and installing Node.js, run the JavaScript file through the command line.
