Array manipulation

arrayJoin( separator )

Flattens an array of a string or a number.

Parameters	Description	Type
separator	[optional] item separator (, by default)	string

Examples

['homer','bart','lisa']:arrayJoin() // "homer, bart, lisa"
['homer','bart','lisa']:arrayJoin(' | ') // "homer | bart | lisa"
['homer','bart','lisa']:arrayJoin('') // "homerbartlisa"
[10,50]:arrayJoin() // "10, 50"
[]:arrayJoin() // ""
null:arrayJoin() // null
{}:arrayJoin() // {}
20:arrayJoin() // 20
undefined:arrayJoin() // undefined

arrayMap( objSeparator, attributeSeparator, attributes )

Parameters	Description	Type
objSeparator	[optional] object separator , by default	string
attributeSeparator	[optional] attribute separator : by default	string
attributes	[optional] list of object's attributes to print	string

Examples

[{'id':2,'name':'homer'},{'id':3,'name':'bart'}]:arrayMap() // "2:homer, 3:bart"
[{'id':2,'name':'homer'},{'id':3,'name':'bart'}]:arrayMap(' - ') // "2:homer - 3:bart"
[{'id':2,'name':'homer'},{'id':3,'name':'bart'}]:arrayMap(' ; ', '|') // "2|homer ; 3|bart"
[{'id':2,'name':'homer'},{'id':3,'name':'bart'}]:arrayMap(' ; ', '|', 'id') // "2 ; 3"
[{'id':2,'name':'homer','obj':{'id':20},'arr':[12,23]}]:arrayMap() // "2:homer"
['homer','bart','lisa']:arrayMap() // "homer, bart, lisa"
[10,50]:arrayMap() // "10, 50"
[]:arrayMap() // ""
null:arrayMap() // null
{}:arrayMap() // {}
20:arrayMap() // 20
undefined:arrayMap() // undefined

count( start )

• counts and prints a row number of any array

• usage example: d[i].id:count() prints a counter of the current row no matter the value of id

• internally replaced by :cumCount

Parameters	Description	Type
start	number to start with (default: 1)	string