How to get yesterday's date in JavaScript
Get yesterday's date using setDate(getDate() - 1) - handles month/year boundaries automatically in JavaScript.
How to find the least common multiple in JavaScript
Calculate LCM using the formula (a * b) / GCD(a, b) with Euclidean algorithm for efficient mathematical computations in JavaScript.
How to find the greatest common divisor in JavaScript
Use Euclidean algorithm with recursive or iterative approach to find GCD efficiently for mathematical computations in JavaScript.
How to find the average of an array of numbers in JavaScript
Calculate array average by dividing the sum by length using reduce() and array length for statistical computations in JavaScript.
How to sum an array of numbers in JavaScript
Use reduce() method to sum array elements efficiently, or loop through values for calculating totals in JavaScript.
How to check if a number is prime in JavaScript
Check if a number is prime by testing divisibility up to its square root for efficient prime number validation in JavaScript.
