Underscore.js _.sub() Method

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The _.sub() method returns the difference of all the given arguments.

Syntax:

_.sub( val1, val2, ..., valn );

Parameters: This method returns n values to operate on them.

Return Value: This method returns the difference of all the given arguments.

Note: This will not work in normal JavaScript because it requires the underscore.js contrib library to be installed. Underscore.js contrib library can be installed using npm install underscore-contrib –save.

Example 1:

Javascript

// Defining underscore contrib variable 
var _ = require('underscore-contrib');  
  
var diff  = _.sub( 10, 2, 4, 1 ); 
  
console.log("The Difference  is : ", diff);

Output:

The Difference  is :  3

Example 2:

Javascript

// Defining underscore contrib variable 
var _ = require('underscore-contrib');  
  
var diff  = _.sub( 10 ); 
  
console.log("The Difference  is : ", diff);

Output:

The Difference  is :  10

Example 3:

Javascript

// Defining underscore contrib variable 
var _ = require('underscore-contrib');  
  
var diff  = _.sub( 1, 3, 5, 7, 9, 99, 100 ); 
  
console.log("The Difference  is : ", diff);

Output:

The Difference  is :  -222

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