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Frontend
HTML
HTML (HyperText Markup Language) is the most basic building block of the Web. It explains how a webpage ……
HTML uses a syntax based on tags and attributes. Tags are enclosed in angle brackets (< and >). We can see ……
<
>
The <p> tag is used to create a paragraph. Paragraphs automatically add some space above and below ……
Links are created using the <a> tag, with the href attribute specifying the URL of the page the link goes ……
<a>
href
REACT
React is a potent JavaScript library designed for crafting user interfaces, primarily maintained by Facebook. ……
To start developing with React, you need to set up a development environme ……
JSX is a syntax extension for JavaScript that combines the expressiveness of JavaScript with the familiarity ……
Components are the fundamental building blocks of a React application. They allow you to break ……
CSS
CSS is what makes your website look nice. It’s like the outfit your site wears—while HTML is the bones, CSS adds the color, ……
Type Selector: Selects all elements of a given type. Class Selector: Selects all elements with a given class. ID Selector: ……
color
text-align
text-decoration
JAVASCRIPT
JavaScript is a versatile, high-level programming language that is widely used to create dynamic and interactive ……
Variables in JavaScript are containers for storing data values. They are declared using the var, let, ….
var
let
Arithmetic operators are used to perform arithmetic operations on numbers. These include addition (+), subtraction (-), ……
+
-
If statements are used to execute a block of code based on a specified condition. If the condition evaluates to true, ……
CSS is what makes your website look nice. It’s like the outfit your site wears—while HTML is the bones, ……
SQL
SQL, or Structured Query Language, is a standardized domain-specific language used for managing and ……
Arithmetic operators are used to perform arithmetic operations on numbers. These include addition (+), su ……
Node.js is a powerful and widely-used runtime environment that allows developers to execute JavaScript code on……
Modules are a fundamental part of Node.js, allowing you to organize your code into reusable pieces…..
React Router is a powerful library for managing navigation and routing in React applications. It allows you to create single-page applications…….
The Context API in React is a powerful tool for managing global state and passing data through the component tree without the need for prop drilling………
The let and const keywords were introduced in ES6 (ECMAScript 2015) to declare block-scoped variables. let allows you to reassign values,…..
const
The try...catch statement allows you to handle exceptions (runtime errors) in a controlled way. The code that may throw an error is wrapped in a try block, ….
try...catch
try