Two programming languages that have been widely used in the field of software development are JavaScript and C# (pronounce "C sharp"). Both languages are employed for various purposes and each has its own advantages and disadvantages.
JavaScript编程语言的主要应用是创建网站。它经常用于构建动态和交互式的网站。由于JavaScript是一种客户端语言，它在客户端的浏览器中执行，而不是在服务器上执行。它是初学者的流行选择，因为它易于学习且入门门槛低。
On the other hand, C# is a popular object-oriented programming language for creating mobile apps, desktop programmes, and video games for Windows. Because it is a compiled language, the code must first be compiled into an executable file in order to be executed. Compared to JavaScript, C# is a more difficult language to learn and master.
What is C#?
微软创建了现代面向对象的编程语言C#，发音为“C sharp”。自从它被创建出来，它经常被用来创建Windows桌面应用程序、游戏和Web应用程序，因为它被设计成简单、高效和易学。
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The .NET Framework, a potent collection of tools and frameworks for creating Windows programmes, includes C#. It is a strongly-typed language, which implies that variables must be declared with a specified data type. This requirement, along with the language's tight rules for variable usage, helps to eliminate typical programming errors.
Object-oriented programming is supported by C#, which makes it simple to create code that is structured, reusable, and simple to maintain. Moreover, functions like waste collection are supported. All things considered, C# is a strong and adaptable language that is frequently used for a wide range of applications.
C#的优势
以面向对象的方式进行编程 − 因为C#是一种面向对象的语言，程序员可以构建和使用包含数据和方法的对象。
强类型检查 − C#利用强类型检查，可以在编译时验证类型的兼容性。
Extensive class library − The class library in C# offers a large selection of pre-built functions and data structures. Applications can now be developed more rapidly and effectively as a result.
C#的缺点
Windows-centric − C# was created by Microsoft and is mostly utilised in environments that run Windows. Although it can run on other operating systems, those platforms might not be as optimised for it.
对函数式编程的支持有限− 尽管C#是一种面向对象的语言，但它只包含了少量对函数式编程的支持。因此，对于一些严重依赖于函数式编程的应用程序来说，它可能不是最理想的选择。
垃圾回收 − 为了自动管理内存，C#采用了垃圾回收。尽管这对开发人员可能很有用，但不正确的使用可能会导致性能问题。
What is JavaScript?
The main application of the computer language JavaScript is the development of interactive and dynamic web sites. Brendan Eich developed it in 1995 while he was employed by Netscape Communications Corporation.
大众投资指南是基于Asp.Net(2.0)+C#+Access(sql2000)的企业黄页类程序，是基于web2.0 模式的网站。 贴吧和黄页都有采集功能 主程序包括分类信息和商家黄页两大模块。分类信息支持二级分类，商家黄页支持二级地区分类及二级行业分类。程序采用了伪静态(url重写)技术，可选生成纯静态首页。 一、分类信息仿百度贴吧编写，可以分别对游客及会员设置不同的审核条件。会员发布信息
As a client-side language, JavaScript executes on the client's computer (usually in a web browser) as opposed to the server. Animations, form validation, and dynamic content updates are a few examples of how it is frequently used to bring interactivity to web sites.
Though JavaScript is a high-level language, it is made to be simple for people to read and write. Moreover, because it is an interpreted language, the code can be run immediately in the browser without the requirement for compilation.
A number of in-built features in JavaScript make it a potent language for web development. They consist of regular expression, object, array, and function support. The Document Object Model (DOM) and the Browser Object Model are only a couple of the APIs (application programming interfaces) that it has already been created with that enable interaction with web page elements (BOM).
JavaScript的优势
Client-side scripting − Scripting that is executed on the client side, such as JavaScript, does so in the browser and is not dependent on a server to function. The application runs faster as a result of less server load.
易于学习− JavaScript是一种用户友好的语言，容易上手和理解。由于其简单直观的语法，与其他编程语言相似，因此适用于各种技能水平的开发人员。
互动性 - JavaScript使程序员能够创建动态和交互式的网站，可以实时响应用户输入。
Disadvantages of JavaScript
Risks related to security − Cross-site scripting (XSS) attacks provide attackers the ability to steal user information or insert harmful code into a website. JavaScript is susceptible to these attacks.
Browser compatibility − Because JavaScript acts differently in each browser, developers may encounter compatibility problems.
Performance issues − Because JavaScript is an interpreted language rather than a compiled one like C++ or Java, it may run slower.
JavaScript和C#之间的区别
下表突出了JavaScript和C#之间的主要区别−
JavaScript |
C Sharp |
|---|---|
JavaScript在大多数浏览器中运行，无需任何插件先决条件。 |
C# 需要一个插件。 |
In a client machine, it is unable to browse or enter records. |
In the event that the specific Silver light version supports it, it can review and create records. |
JavaScript is dynamic written. |
Static written. |
JavaScript has secluded libraries for doing in-person queries like underscore. js |
Local querying can be done using the useful.NET component LINQ, which is available in C#. |
There is no administrator or overburdening in JavaScript. |
C#有能力给管理员和变换带来过重负担。 |
Neither an administrator nor overburdening are present in JavaScript. |
C#有广泛的应用领域。 |
JavaScript的范围有限，而且这种方言有一些缺点。 |
全球工程师选择的一种非常强大的语言是C#。 |
JavaScript is a single threaded language. |
C sharp supports multithreading. |
JavaScript支持闭包脚本。 |
Closure script is not supported in C#. |
服务器端脚本由JavaScript支持。 |
C# does not have server side scripting capabilities. |
The ".js" suffix is used to save JavaScript files. |
".cs"扩展名用于存储C#文件。 |
结论
总之，JavaScript和C#是两种广泛使用的编程语言，具有明显的区别和特殊的优势。C#经常用于后端网页开发和桌面应用程序开发，而JavaScript通常用于前端网页开发。
JavaScript学习简单，入门门槛低，而C#更难掌握，需要更高的能力。选择这两种语言之间的决策最终将取决于您项目的特定要求。
