Function toString() returns the string value of any data.

Arguments：

• Any value <any>

Returns：

• String <string>

Contant

Example: Convert array [1,2,3] to string

return toString([1,2,3])

Function

Example: Convert value of PI to string

return toString(pi())

Alias

Example: Convert a column of numbers to strings and judge if they start with '1'

uncollect [1,123,456] as number
return startsWith(toString(number), "1")

Property

Example: Find 10 band cards, convert their balance to string and return these strings

find().nodes({@card}) as n
limit 10
return toString(n.balance)