Array

Array Push
Add an newItem to the end of an array.
Expression:
ARR_PUSH(stack: array[], newItem: any)
Return:
array[]
Example of usage:
ARR_PUSH(["apples","pears"], "oranges")
​
Return value:
["apples","pears","oranges"]
Array Splice
Trim an array of elements bordered by indexes; optionally, can add new elements.
Expression:
ARR_SPLICE(stack: array[], index: number, deleteCount: number, newItems?: any)
Return:
array[]
Example of usage:
ARR_SPLICE(["apples","pears","oranges"], 0, 2, "bananas")
​
Return value:
["oranges","bananas"]
Array Sum
Returns a sum of all numeric values of Array elements.
Expression:
ARR_SUM(stack: array[])
Return:
float
Example of usage:
ARR_SUM([1, 2, 3])
​
Return value:
6
Array Map
Returns second argument (as an expression) for each array element.
Variables item, index are available in the expression, representing listed item.
Expression:
ARR_MAP(stack: array[], filter: expression)
Return:
array[]
Example of usage:
ARR_MAP([{a:"hello", b:"bye"},{a:"hi", b:"see ya"}], item.a)
​
Return value:
["hello","hi"]
Array Filter
Return matched array pattern in comparison with the second expression argument.
Variables item, index are available in the expression, representing listed item.
Expression:
ARR_FILTER(stack: array[], filter: expression => boolean)
Return:
array[]
Example of usage:
ARR_FILTER(["hello","hi","how are you"], item == "hello")
​
Return value:
["hello"]
Array Reduce
Reduces provided array by calling a second argument (as an expression).
Variable 'previousValue', 'currentValue' and 'currentIndex' are available in an expression.
Expression:
ARR_REDUCE(stack: array, {previousValue || currentValue || currentIndex})
Return:
float
Example of usage:
ARR_REDUCE([1, 2, 3, 4], previousValue + currentValue)
​
Return value:
10
Array Find
Returns array of indexes for which the expression returns true.
Variable 'item' and 'index' are available in the expression.
Expression:
ARR_FIND(stack: array, filter: expression)
Return:
array[]
Example of usage:
ARR_FIND(["apples","pears","oranges"], item == "oranges")
​
Return value:
[2]
Includes
Returns true if an item is included in an array.
Expression:
INCLUDES(array: any, item: any)
Return:
boolean
Example of usage:
INCLUDES([1,2,3],2)
​
Return value:
true
Last modified 1yr ago