Answer to Question #312492 in HTML/JavaScript Web Application for CHINNI

Question #312492

product of array items

given an array integers, write a JS program to get the product of the given integers in the array

sample input1

[1,2,3]

sample output1

1*2*3 = 6


"use strict";


process.stdin.resume();

process.stdin.setEncoding("utf-8");


let inputString = "";

let currentLine = 0;


process.stdin.on("data", (inputStdin) => {

 inputString += inputStdin;

});


process.stdin.on("end", (_) => {

 inputString = inputString

  .trim()

  .split("\n")

  .map((str) => str.trim());

 main();

});


function readLine() {

 return inputString[currentLine++];

}


function main() {

 let integers = JSON.parse(readLine());


 /* Please do not modify anything above this line */


 /* Write your code here and log the output */

}


INPUT:

[1,2,3]


OUTPUT:

1*2*3 = 6


INPUT:

[-1,-2,-3]


OUTPUT:

-1*-2*-3 = -6 SHOULD BE LIKE THIS


1
Expert's answer
2022-03-16T07:08:39-0400
"use strict";




process.stdin.resume();


process.stdin.setEncoding("utf-8");




let inputString = "";


let currentLine = 0;




process.stdin.on("data", (inputStdin) => {


 inputString += inputStdin;


});




process.stdin.on("end", (_) => {


 inputString = inputString


  .trim()


  .split("\n")


  .map((str) => str.trim());


 main();


});




function readLine() {


 return inputString[currentLine++];


}




function main() {


 let integers = JSON.parse(readLine());


 const productArrayItems = arr => arr.reduce((a, b) => a * b) 


 console.log(productArrayItems(integers)); // [1, 2, 3]
 console.log(productArrayItems(integers)); // [-1,-2,-3]


}

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