each Code Examples and CFML Documentation

each

Function that will call the given UDF/Closure with every entry (key/value) in the given collection.

each(collection, closure [, parallel] [, maxThreads]) → returns void

This function requires Lucee. Not supported on Adobe ColdFusion, etc.

Argument Reference

collection any
Required

Collection to take values from.

closure function
Required

UDF/Closure that is called with each entry from the collection.

parallel boolean
Default: `false`

Execute the closures in parallel.

maxThreads numeric
Default: `20`

Maximum number of threads executed. Ignored when parallel argument is set to false.

Examples

Sample code invoking the each function

Iterate over collection and output a key from each item

coll = [{
    id: 0,
    name: 'me'
},{
    id: 1,
    name: 'you'
}];
function outputCollection(item) {
    writeOutput(item.name);
    writeOutput(' - ');
}
each(coll,outputCollection,true);

Expected Result: me - you -

each

Argument Reference

collection any Required

closure function Required

parallel boolean Default: false

maxThreads numeric Default: 20

Examples Add An Example Sample code invoking the each function

Iterate over collection and output a key from each item

collection any
Required

closure function
Required

parallel boolean
Default: `false`

maxThreads numeric
Default: `20`

Examples
Sample code invoking the each function