25 lines
		
	
	
		
			453 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			25 lines
		
	
	
		
			453 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | var baseSum = require('./_baseSum'), | ||
|  |     identity = require('./identity'); | ||
|  | 
 | ||
|  | /** | ||
|  |  * Computes the sum of the values in `array`. | ||
|  |  * | ||
|  |  * @static | ||
|  |  * @memberOf _ | ||
|  |  * @since 3.4.0 | ||
|  |  * @category Math | ||
|  |  * @param {Array} array The array to iterate over. | ||
|  |  * @returns {number} Returns the sum. | ||
|  |  * @example | ||
|  |  * | ||
|  |  * _.sum([4, 2, 8, 6]); | ||
|  |  * // => 20
 | ||
|  |  */ | ||
|  | function sum(array) { | ||
|  |   return (array && array.length) | ||
|  |     ? baseSum(array, identity) | ||
|  |     : 0; | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = sum; |