is among the keys of

Typeoperator
DictionaryLCS
LibraryLiveCode Script
Syntax
<valueToFind> is among the keys of <arrayToSearch>
Summary

Evaluates to true if the valueToFind is an element name in the arrayToSearch.

Introduced2.9
OSmac, windows, linux, ios, android
Platformsdesktop, server, mobile
Parameters
NameTypeDescription
valueToFind
arrayToSearch
Example
local tArray
put "World" into tArray["Hello"] 
get "Hello" is among the keys of tArray -- evaluates to true
if "text" is among the keys of the dragData then
       set the text of field "Drag Target" to the dragData["text"]
end if
RelatedOperator: is not among, is not among the keys of, is among
Function: keys
Description

is among the keys of should be used to check whether an array contains an element of a specified name.