Basic JavaScript: Nesting For Loops question 12

Tell us what’s happening:
Can anybody tell me why my code isnt running?

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 < arr[i].length; j++){

product += [i][j]
}
}
// Only change code above this line
return product;
}

multiplyAll([[1,2],[3,4],[5,6,7]]);

Your browser information:

User Agent is: Mozilla/5.0 (Linux; Android 9; LM-X420) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.79 Mobile Safari/537.36.

Challenge: Nesting For Loops

Link to the challenge:

Hi there, your code should be …

function multiplyAll(arr) {
var product = 1;
for(var i = 0; i < arr.length; i++) {
for(var j = 0; j < arr[i].length; j++){
product *= arr[i][j];
}
}
return product;
}
console.log(multiplyAll([[1,2],[3,4],[5,6,7]]));