Https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/basic-javascript/nesting-for-loops

JavaScript
1

Tell us what’s happening:
Can’t understand wat’s wrong?

Your code so far


function multiplyAll(arr) {
var product = 1;
// Only change code below this line
for( var i=0; i < arr.length; i++ ){
for(var j=0; j < arr[i].length; j++){
  product *= arr[i][j];
}
}
// Only change code above this line
return product;
}

multiplyAll([[1,2],[3,4],[5,6,7]]);
console.log(product)

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Challenge: Nesting For Loops

Link to the challenge:

2

product is only available inside the function. The console.log outside it will cause an error. Remove the console.log.

1 Like
3

Thank you very much!!