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Array without last element
JavaScript, Array · Nov 3, 2020
Returns all the elements of an array except the last one.
- Use
Array.prototype.slice()to return all but the last element of the array.
const initial = arr => arr.slice(0, -1);initial([1, 2, 3]); // [1, 2]More like this
Execute function for each array element in reverse
JavaScript, Array
Executes a provided function once for each array element, starting from the array's last element.
Filter out matching array elements
JavaScript, Array
Filters out the elements of an array that have one of the specified values.
Array tail
JavaScript, Array
Returns all elements in an array except for the first one.