30秒学会 JavaScript 片段 – reduceWhich
Returns the minimum/maximum value of an array, after applying the provided function to set comparing...
Returns the minimum/maximum value of an array, after applying the provided function to set comparing...
Returns the sum of an array, after mapping each element to a value using the provided function. Use ...
Returns the symmetric difference between two arrays, without filtering out duplicate values. Create ...
Returns the first element in a collection that matches the given predicate function, match. Use IEnu...
Returns the sum of two or more numbers/arrays. Use Array.prototype.reduce() to add each value to an ...
Generates primes up to a given number, using the Sieve of Eratosthenes. Generate an array from 2 to ...
Creates an object composed of the properties the given function returns truthy for. The function is ...
Groups the elements of an array based on the given function and returns the count of elements in eac...
Creates a new string with the results of calling a provided function on every character in the calli...
Flattens an array up to the one level depth. Use array_push(), splat operator and array_values() to ...