What is Server-sent Events in JavaScript? In JavaScript, server-sent events (SSE) enable the server to send data to the client. The client require to establish a connection with the server to get data from the
A callback function in JavaScript is a function that is passed as an argument to another function and is invoked after some kind of event.
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....
JavaScript is a high-level, interpreted programming language that is primarily known for its role in enhancing web pages to provide a more dynamic and interactive user experience. Developed initially by Netscape, JavaScript has evolved to become one of the core technologies of theWorld Wide Web, al...
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 microser...
JavaScript is an interpreted language. Thus, it doesn’t need to be compiled. JavaScript renders web pages in an interactive and dynamic fashion. This allowing the pages to react to events, exhibit special effects, accept variable text, validate data, create cookies, detect a user’s browser,...
What is Boolean? In computing, the term Boolean means a result that can only have one of two possible values: true or false. Boolean logic takes two statements or expressions and applies a logical operator to generate a Boolean value that can be either true or false. To return the result...
In object-oriented programming (OOP), an object is a reusable unit of code that can perform certain actions and interact with other objects in a program. In OOP languages, all objects have somebehaviorsand somestate. The states are stored infields(orvariables) and the behaviors are exposed th...
in an event loop. Given it’s a queue, the order of how the code gets executed is determined by the order in which they appear in the event loop. An example of an event would be when a Javascript promise is resolved. In this post we will look at what the event loop is and how ...
If the library is unable to create a websocket connection at all, this event willnotbe emitted. To catch events at the connection level, you must bind toerrorevents on the connection as described inBinding to connection events channel.bind("pusher:subscription_error",(error)=>{}); ...