Linkedin

Application that allows users to perform basic arithmetic operations, such as addition, subtraction, multiplication, and division.

Calculator

Build a scrollable list that automatically loads more items as the user reaches the bottom.

Build a LinkedIn-style "People You May Know" component with HTML and CSS 👥

Build a tooltip component that appears on hover, centered above the trigger element using getBoundingClientRect for precise positioning.

Debouncing enhances performance by delaying function execution until a certain period of inactivity, preventing unnecessary calls.

Enhance the Event Emitter class to support method chaining.

Emits events and registers listeners for handling asynchronous, event-driven operations.

Implement a custom version of the getElementsByClassName method from scratch.

Groups the elements of an array based on a specified criterion.

Build a minimal jq(selector).css(...) that reads and writes inline styles across multiple call shapes.

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.

Measure the performance impact of memoization using console.time and console.timeEnd.

The memoize function takes a function and returns its memoized variant, optimizing repeated calls by storing previous results.

Convert a non-negative integer into its English word form, e.g. 18653 becomes "eighteen thousand six hundred fifty three".

Implements a pattern where subscribers listen for specific events published by a publisher.

The sleep function is a way to pause or delay the execution of the subsequent code for a specified amount of time.

Generates a new array with each numeric element squared in environments without native functionality.

Throttling optimizes performance by limiting function execution to a specified rate, preventing excessive calls over short intervals.