# methmeth > Call a method on an object in an Array.prototype callback. ```sh $ npm install --save methmeth ``` ```js var meth = require('methmeth'); var friends = [ { name: 'passy', hobby: 'carrots', getInfo: function () { return this.name + ' likes ' + this.hobby; } }, { name: 'sindre', vehicle: 'unicorn taxi', getInfo: function () { return this.name + ' drives a ' + this.vehicle; } }, { name: 'addy', invented: 'google *', getInfo: function () { return this.name + ' created ' + this.invented; } } ]; ``` #### Before ```js var myFriends = friends.map(function (item) { return item.getInfo(); }).join('\n'); // passy likes carrots // sindre drives a unicorn taxi // addy created google * ``` #### After ```js friends.map(meth('getInfo')).join('\n'); // passy likes carrots // sindre drives a unicorn taxi // addy created google * ``` #### Pre-fill arguments ```js var friends = [ { name: 'dave', passion: 'dried mango', getInfo: function (emotion) { return this.name + ' loves ' + this.passion + emotion; } } ]; friends.map(meth('getInfo', '!!!!')).join('\n'); // dave loves dried mango!!!! ``` #### Related - [propprop](https://github.com/stephenplusplus/propprop) - Pluck a property out of an object in an Array.prototype callback.