The _.isEven() method checks whether the given value is Even or not, and returns the corresponding boolean value.
Syntax:
_.isEven( value );
Parameters:
- value: Given value to be checked for even value.
Return Value: This method returns a Boolean value(Returns true if the given value is even, else false).
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 .
Example 1:
Javascript
// Defining underscore contrib variable var _ = require('underscore-contrib');
// Checking console.log("The Value is Even : " + _.isEven(44));
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Output:
The Value is Even : true
Example 2:
Javascript
// Defining underscore contrib variable var _ = require('underscore-contrib');
// Checking console.log("The Value is Even : " + _.isEven(21));
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Output:
The Value is Even : false
Example 3: For value: 0, this method returns true.
Javascript
// Defining underscore contrib variable var _ = require('underscore-contrib');
// Checking console.log("The Value is Even : " + _.isEven(0));
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Output:
The Value is Even : true
Example 4: For non-integer values, this method returns false.
Javascript
// Defining underscore contrib variable var _ = require('underscore-contrib');
// Checking console.log("The Value is Even : " + _.isEven("GeeksforGeeks"));
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Output:
The Value is Even : false