node.js - Manipulate Array with foreach loop and a callback -
i manipulating array loop. how can foreach loop , function? tried this, i'm getting undefined in output.
var pets = ['cat', 'dog', 'rat']; pets = pets.foreach( function plural(value, index, array){ value = value + 's'; homecoming value; }) /*for ( = 0; < pets.length; i++) { pets[i] = pets[i] + 's'; } */ console.log(pets);
pets.foreach( function plural(value, index){ pets[index] = value + 's'; })
arrays node.js foreach callback
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