Web Development Fundamentals
Building the Foundation of Modern Web Applications
Understanding Web Development
Example: Web Development
JavaScript DOM Manipulation
Frequently Asked Questions
block-scoped and cannot be reassigned. Use `const` by default, `let` w
`var` in modern JavaScript.
Flexbox is a one-dimensional layout method for arranging items in rows or columns. It provides flexible
Frequently asked questions
What is a closure in JavaScript?
A closure is a function that has access to variables in its outer (enclosing) scope even after the outer function has returned. Closures enable data privacy, function factories, and are fundamental to JavaScript.
When are closures created automatically in JavaScript?
They're created automatically when functions are defined.
How do I make a website accessible?
Accessibility is crucial for ensuring everyone can use your website, and it involves following guidelines like WCAG to provide alternative text for images, proper heading structures, and keyboard navigation support.
▶ Try it live
Everything above runs in your browser — open Hash Function Avalanche Visualizer and change the parameters while it is running. Nothing is installed, nothing is uploaded, the whole model lives in one tab.