JavaScript Array Snippets
The JavaScript snippet collection contains a wide variety of ES6 helper functions. It includes helpers for dealing with primitives, arrays and objects, as well as algorithms, DOM manipulation functions and Node.js utilities.
Generate items
JavaScript, Array
Generates an array with the given amount of items, using the given function.
Check if value is of type
JavaScript, Type
Checks if the provided value is of the specified type.
Last n elements
JavaScript, Array
Gets the last
nelements of an array.Median
JavaScript, Math
Calculates the median of an array of numbers.
Last insertion index in sorted array
JavaScript, Array
Finds the highest index at which a value should be inserted into an array in order to maintain its sort order.
Subset of iterable
JavaScript, Array
Checks if the first iterable is a subset of the second one, excluding duplicate values.
Superset of iterable
JavaScript, Array
Checks if the first iterable is a superset of the second one, excluding duplicate values.
Unique values in array
JavaScript, Array
Finds all unique values in an array.
Freeze Set object
JavaScript, Array
Creates a frozen
Setobject.Check if array has duplicates
JavaScript, Array
Checks if there are duplicate values in a flat array.
Array is sorted
JavaScript, Array
Checks if a numeric array is sorted.
Array without last element
JavaScript, Array
Returns all the elements of an array except the last one.
Array tail
JavaScript, Array
Returns all elements in an array except for the first one.
Last array element
JavaScript, Array
Returns the last element in an array.
Check if array elements are equal
JavaScript, Array
Checks if all elements in an array are equal.