The _.dec() method returns the result by decrementing the given value by 1.
Syntax:
_.dec( value );
Parameters: This method takes a value and decrements them.
Return Value: This method returns the result by decrementing the given value by 1.
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:Â
Javascript
// Defining underscore contrib variable var _ = require('underscore-contrib');   var val = 33 var decrVal = _.dec( val );   console.log("The Given value is :", val); console.log("The Decrement of Given value is :", decrVal); |
Output:
The Given value is : 33 The Decrement of Given value is : 32
Example 2:
Javascript
// Defining underscore contrib variable var _ = require('underscore-contrib');   var val = 100 var decrVal = _.dec( val );   console.log("The Given value is :", val); console.log("The Decrement of Given value is :", decrVal); |
Output:
The Given value is : 100 The Decrement of Given value is : 99
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