Props in React.js
In React.js, props (short for properties) are a way to pass data from a parent component to a child component. They are a fundamental part of React’s…
Import in React.js
In React.js, the import statement is used to bring functionalities from other modules into the current module. It’s a key part of modular JavaScript development and allows…
Components in React.js
In React.js, components are the building blocks used to create user interfaces. They encapsulate the logic and rendering of a portion of the UI, making it easier…
Exports in React.js
In React.js, named exports and default exports are used similarly to how they are used in regular JavaScript modules, but they’re particularly useful for exporting React components…
index.php page call outside of the public folder in Laravel project
Step 1 . Copy index.php in public folder Step 2. paste in Laravel project folder Step 3. Open server.php file Location :- vendor\laravel\framework\src\Illuminate\Foundation\resources\server.php Edit in line no….
Virtual DOM V/S Real DOM
The Virtual DOM and the Real DOM are both representations of the structure of a web page, but they differ in how they are implemented and updated,…
DOM(Document Object Model)
Virtual DOM The Virtual DOM (Document Object Model) is a concept used in React and other JavaScript libraries/frameworks to improve the performance of web applications. In traditional…
What is React
React is a JavaScript library for building user interfaces, particularly for web applications. It was developed by Facebook and released to the public in 2013. React is…
Event Handler in JavaScript
In JavaScript, an event handler is a function that is executed in response to a specific event occurring in the browser. Event handlers are commonly used to…
Events in JavaScript
In JavaScript, events are actions or occurrences that happen in the browser, typically as a result of user interaction or system triggers. Examples of events include clicking…
Element Selectors in JavaScript
In JavaScript, you can select elements from the DOM (Document Object Model) using various methods provided by the document object. These methods allow you to find and…
DOM in JavaScript
The Document Object Model (DOM) in JavaScript is a programming interface that represents the structure of a web page as a tree of objects. It provides a…
Error Handling in JavaScript
Error handling in JavaScript is essential for writing robust and reliable code. JavaScript provides several mechanisms for handling errors and exceptions, including try…catch blocks, throwing and catching…
setTimeout(), setInterval() in JavaScript
In JavaScript, setTimeout() and setInterval() are functions used to execute code after a specified delay or at regular intervals, respectively. They are part of the browser’s Web…
Function Context in JavaScript
In JavaScript, the term “function context” typically refers to the value of the this keyword inside a function. The value of this depends on how a function…
Error “require ext-xml” in ubuntu command composer update or install
Problem 1– laravel/pint[v1.0.0, …, v1.13.9] require ext-xml * -> it is missing from your system. Install or enable PHP’s xml extension.– Root composer.json requires laravel/pint ^1.0 ->…
Error “require ext-curl” in ubuntu command composer update or install
Problem 1– spatie/laravel-ignition[2.0.0, …, 2.4.1] require ext-curl * -> it is missing from your system. Install or enable PHP’s curl extension.– Root composer.json requires spatie/laravel-ignition ^2.0 ->…
Destructuring in JavaScript
Destructuring in JavaScript is a feature that allows you to extract values from arrays or properties from objects and assign them to variables in a more concise…
Object Oriented JavaScript
Object-oriented programming (OOP) in JavaScript involves creating objects and defining their behavior through methods and properties. JavaScript supports OOP concepts such as encapsulation, inheritance, and polymorphism, although…
Async and Await in JavaScript
async and await are keywords introduced in ECMAScript 2017 (ES8) that provide syntactic sugar for working with asynchronous code, specifically for handling promises. They make asynchronous code…
Promises in JavaScript
Promises in JavaScript provide a way to handle asynchronous operations. They represent a value that may be available now, or in the future, or never. Promises are…
What is Asynchronous Programming in JavaScript?
Asynchronous programming is a programming paradigm in which operations can be executed independently of the main program flow, allowing multiple tasks to run concurrently. In contrast to…
Sort, forEach, findIndex, join methods in JavaScript
Sure, let’s explore some common array methods and operators in JavaScript: 1. sort() Method: The sort() method sorts the elements of an array in place and returns…
Map, Reduce and Filter Method in JavaScript
map, filter, and reduce are higher-order array methods in JavaScript that provide powerful ways to manipulate arrays and transform data. Here’s an overview of each method: 1….
Arrow Function in JavaScript
Arrow functions are a concise way to write functions in JavaScript, introduced in ECMAScript 6 (ES6). They provide a more compact syntax compared to traditional function expressions…
JavaScript Pop-up Boxes
In JavaScript, you can create popup boxes to interact with users using the alert(), confirm(), and prompt() functions. These functions provide simple ways to display messages, ask…
JavaScript Function
In JavaScript, functions are blocks of reusable code that can be defined and called to perform a specific task. Functions allow you to encapsulate logic, making your…
Java Objects
In JavaScript, an object is a collection of key-value pairs where each key is a string (or symbol) and each value can be any data type, including…
JavaScript Loops
In JavaScript, loops are used to execute a block of code repeatedly until a specified condition is met. There are several types of loops available: 1. for…
JavaScript Condition
In JavaScript, you can use conditional statements to execute different code blocks based on different conditions. The main types of conditional statements are: 1. If Statement: The…