Lodash - rest method

Syntax

_.rest(func, [start=func.length-1])

Creates a function that invokes func with the this binding of the created function and arguments from start and beyond provided as an array.

Arguments

• func (Function) − The function to apply a rest parameter to.

• [start=func.length-1] (number) − The start position of the rest parameter.

Output

• (Function) − Returns the new function.

Example

var _ = require('lodash');

var say = _.rest(function(what, names) {
   return what + ' ' + _.initial(names).join(', ') + (_.size(names) > 1 ? ' & ' : '') + _.last(names);
});
console.log(say('Hello', 'Joe', 'Tom', 'Julie'));

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

Command

\>node tester.js

Output

Hello Joe, Tom & Julie