Answers for "javascript multiply array of numbers return array"

-2

multiply all numbers in an array javascript

The cause is already known. Here's an alternative - using Array.reduce for your method:

console.log( [1, 2, 3].reduce( (a, b) => a * b ) );
console.log( Array.from( {length: 20} )
  .map( (v, i) => i + 1 )
  .reduce( (a,b) => a * b )
  .toLocaleString());

// for empty arrays, use some initial value
const arr = [];
if (arr.reduce( (a, b) => a * b, -1 ) === -1) {
  console.error(`The given array ${arr} is empty`);
}
Posted by: Guest on March-19-2021

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