JavaScript – Siriam

Accessing and modifying HTML document elements in JavaScript

By Subhash JoshiPosted on November 28, 2023November 28, 2023Posted in Computer ScienceTagged DOM, JavaScript

To access and modify HTML document elements in JavaScript, you can use the Document Object Model (DOM). The DOM is a programming interface for web documents, providing a structured representation that can be manipulated using JavaScript. Accessing Elements: By ID: By Class Name: By Tag Name: By CSS Selector: Modifying Elements: These are basic examples, […]

Difference between var and let in JavaScript

By Subhash JoshiPosted on November 23, 2023November 23, 2023Posted in Computer ScienceTagged JavaScript

In JavaScript, var and let are used to declare variables, but they have some key differences in terms of scope and hoisting. In the exampleVar function, x is accessible outside the if block due to var being function-scoped and hoisted. In the exampleLet function, trying to access y outside the if block results in a […]