86. What is a set in Java? Represented in the form of values Used to store key-value pairs Primary structures All of these Answer:A) Represented in the form of values Explanation: Read more:Differences between Set and Map interface in Java ...
A JavaScript library is a collection of pre-written code that performs certain functions. Libraries allow even novice users to build useful websites quickly. And they save both novice and experienced users significant time in building sites and applications. While there are many JavaScript libraries,...
JavaScript is a scripting language mainly used for writing dynamic Web pages. When a script written in JavaScript is embedded in a Web page, it will be executed by the Web browser on the client machine. The history of JavaScript is nicely summarized on wikipedia.org as: JavaScript...
A brief explanation to what hoisting means in the JavaScript programming languageJavaScript before executing your code parses it, and adds to its own memory every function and variable declarations it finds, and holds them in memory. This is called hoisting....
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The implementation of JavaScript code in Node.js also plays an important role in web development. Node.js can reduce server response time due to its single-threaded nature and non-blocking architecture and omit delays.Node.js is also lightweight enough to serve as a scalable tool for ...
While callbacks have their good place in JavaScript, still, let's find a better solution. 1.2 Encapsulating asynchronicity Synchronous code is easy to understand. You see line by line how the code is executed. How to code asynchronous operations, while still preserving the readability of synchrono...
intendedthisbinding or having it set to the global object when passing functions around or providing a callback to another function. The function methodbind()is a utility built into JavaScript, and it was added in ES5 to set the value of a function’sthisregardless of how the function is ...
Server-side Development:While JavaScript is primarily known for its use in client-side scripting, it can also be used for server-side development.Node.js, a JavaScript runtime environment, allows developers to build scalable and efficient server-side applications using JavaScript. ...
Nest.js is lightweight and powerful JavaScript framework with a focus on developer productivity and performance.