Update calculator.js

105ron · web-flow · commit d3412c14234e · 2018-09-27T14:18:29.000+08:00
diff --git a/calculator/calculator.js b/calculator/calculator.js
@@ -10,8 +10,9 @@ function sum(array) {
   return array.reduce((current, total) => total + current, 0);
 }
 
-function multiply(array) {
-  return array.reduce((current, total) => total * current, 1);
+function multipy (array) {
+    return array.length
+      ? array.reduce((accumulator, nextItem) => accumulator * nextItem): 0;
 }
 
 function power(a, b) {

Original file line number	Diff line number	Diff line change
`@@ -10,8 +10,9 @@ function sum(array) {`
`10`	`10`	`return array.reduce((current, total) => total + current, 0);`
`11`	`11`	`}`
`12`	`12`
`13`		`-function multiply(array) {`
`14`		`- return array.reduce((current, total) => total * current, 1);`
	`13`	`+function multipy (array) {`
	`14`	`+ return array.length`
	`15`	`+ ? array.reduce((accumulator, nextItem) => accumulator * nextItem): 0;`
`15`	`16`	`}`
`16`	`17`
`17`	`18`	`function power(a, b) {`