Underscore.JS - invoke method

Syntax

_.invoke(list, methodName, *arguments)

invoke method invokes a method named methodname on given list. arguments will be passed to that method as extra arguments.

Example

var _ = require('underscore');

var list = [[1, 3, 2, 5],[4, 6, 1, 2]]
//Example 1. invoke join method on each element of list
var result = _.invoke(list, 'join');
console.log(result);

//Example 2. invoke join method on each element of list
var result = _.invoke(list, 'join', ' # ');
console.log(result);

Save the above program in tester.js. Run the following command to execute this program.

Command

\>node tester.js

Output

[ '1,3,2,5', '4,6,1,2' ]
[ '1 # 3 # 2 # 5', '4 # 6 # 1 # 2' ]