Implement a function that finds the longest palindrome in a given string. For example, in the string "My dad is a racecar athlete", the longest palindrome is "a racecar a". Count whitespaces as valid characters. Other palindromes in the above...

A robot located at the top left corner of a 5x5 grid is trying to reach the bottom right corner. The robot can move either up, down, left, or right, but cannot visit the same spot twice. How many possible...

Create a hash table with insert(), retrieve(), and remove() methods.

• Be sure to handle hashing collisions correctly.
• Set your hash table up to double the storage limit as soon as the total number of items stored is greater than...

Write a function that, given two objects, returns whether or not the two are deeply equivalent--meaning the structure of the two objects is the same, and so is the structure of each of their corresponding descendants. Don't worry about handling...

Implement a binarySearchTree class with the following properties:

• A .left property, a binary search tree (BST) where all values are lower than than it the current value.

• A .right property, a BST where all values are higher than than...

Recently, I found a great resource of toy problems on GitHub and wanted to take a stab at the following problem.

As a starting base to wrap my head around the problem and to see if I could spot...

Make an eventing system mix-in that adds .trigger() and .on() to any input object.

Example usage:

var obj = mixEvents({ name: 'Alice', age: 30 }); obj.on('ageChange', function(){ console.log('Age changed'); }); obj.age++; obj.trigger('ageChange'); // This should call our...