StringEach

Description

iterates over a string and runs the closure function for each element in the string.

Returns

Nothing

Category

History

ColdFusion (2021 release): Added this function.

Syntax

StringEach(String string, UDFMethod callback)

Parameters

Parameter

Description

string

(Required) The input string.

callback

(Required) Closure function executed for each element in the string. 

The syntax is:

callback (element, index, string)

Example

<cfscript> 
    myCities="St. Petersburg" 
    callback=function(city){ 
        WriteOutput(city & "<br/>") 
    }           
    StringEach(myCities,callback) 
</cfscript>

Output

S
t
.

P
e
t
e
r
s
b
u
r
g

EXAMPLE 2

<cfscript> 
    letters = "abcd" 
    callback=function(element,index){ 
        writeOutput(#index#&":"&#element#&"<br/>") 
    } 
    StringEach(letters,callback) 
</cfscript>

OUTPUT

1:a
2:b
3:c
4:d

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