StringMap

Description

Iterates over every entry of the string and calls the closure function to work on the element of the string. 

Returns

String

Category

Syntax

StringMap(String string, UDFMethod callback)

History

ColdFusion (2021 release): Added this function.

Parameters

Parameter

Description

string

(Required) The input string.

callback

(Optional) Closure or a function reference that will be called for each iteration.

Example

<cfscript> 
    myStr="123456789";   // ascii value of 1 is 49, 2 is 50 , and so on            
    closure=function(item){ 
        return item+5; 
    } 
    writeOutput(myStr.map(closure)) // 545556575859606162 
</cfscript>

Example 2

<cfscript> 
    myString="Hello World"         
    closure=function(val){               
      return (val & 'a')  
    } 
    writeOutput(StringMap(callback=closure,string=myString)) // Haealalaoa aWaoaralada 
</cfscript>

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