This section provides a quick description of what is an object in JavaScript and some interesting features on creating and using objects. A tutorial example is also provided.
What does "object destructuring" mean and what is the result of a destructuring operation?Say you have an object with some properties:const person = { firstName: 'Tom', lastName: 'Cruise', actor: true, age: 57 }You can extract just some of the object properties and put them into ...
In JavaScript, the this keyword is a special context-sensitive variable that refers to the current execution context or the object that a function is bound to at runtime. The value of this depends on how a function is invoked, and it plays a crucial role in determining the context in ...
Read What is 'this' in JavaScript? and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
Learn what is Vue JS, a powerful and easy-to-learn JavaScript framework for building user interfaces and single-page applications. Read more in this blog.
JavaScript is an object-based scripting language. Syntax: JavaScript syntax is not as formal or structured as Java. Thus, it’s simpler for most users. Compilation: Java is a compiled language, whereas JavaScript is an interpreted language that is interpreted line by line at run-time; compiled...
If a non-object argument is supplied toObject.entries()it will be coerced to an object. For any primitive types (except for strings) this would return an empty array. For example: console.log(Object.entries('foo'));// output: [ ['0', 'f'], ['1', 'o'], ['2', 'o'] ] ...
Java –an object-oriented programming language designed to support large programs and applications. Unlike JavaScript, Java is strongly typed, meaning that its variables must be bound to specific data types. Java requires a just-in-time (JIT) compiler to run its script....
Example of object-oriented programming in action For example,python-docx is an open sourcePythonlibrary that a developer or user can utilize to create and update Microsoft Word documents. After installing the library package on a system, the developer can import it into their Python scripts by is...
Vue.js uses double braces{{ }}as place-holders for data. Vue.js directives are HTML attributes with the prefixv- Vue Example In the example below, a new Vue object is created withnew Vue(). The propertyel:binds the new Vue object to the HTML element withid="app". ...