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;
 |