Infinite Scroll

A transfer list is a UI component for moving items between two lists, often used to manage and organize multiple selections.

Transfer List

React component for efficiently rendering large lists and tabular data.

polyfill function that replicates the behavior of the built-in Function.prototype.apply() method.

polyfill function that replicates the behavior of the built-in Function.prototype.bind() method.

polyfill function that replicates the behavior of the built-in Function.prototype.call() method.

A simple javascript utility for conditionally joining classNames together.

A function that clears all active JavaScript intervals at once.

A function that clears all active JavaScript timeouts at once.

Implement a simple assertion function similar to Jest's expect function

Takes a nested array and merges all its layers into a single, flat array.

Build your own version of JSON.stringify that serializes JavaScript values to JSON strings.

Safely access deeply nested object properties using a path string or array.

Implement a Least Recently Used cache with O(1) get and put operations.

Build your own Promise.reject — return a promise that is immediately rejected with a given reason.

Build the ES2024 Promise.withResolvers — return a promise along with its resolve and reject functions as a plain object.

Recreate setInterval behavior using only setTimeout.

Highlight search matches in a DOM tree even when the match spans across multiple elements and text nodes.

Highlight all occurrences of a query string inside a DOM tree by wrapping matches in bold tags.

The TimerManager class in JavaScript manages multiple timers, offering multiple functionalities.

Traverse DOM tree and flatten it into a one-dimensional array in breadth-first order.