Underscore.JS - size method

Syntax

_.size(list)

size method gives the length of a list.

Example

var _ = require('underscore');

//Example 1: get a size of a list of numbers
result = _.size([1, 2, 3, 4])
console.log(result)

//Example 2: get a size of a object
result = _.size({"one": 1, "two": 2, "three": 3})
console.log(result)

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

Command

\>node tester.js

Output

4
3