multiplier les tableaux javascript
var sum = 0;
for(var i=0; i< arr1.length; i++) {
sum += arr1[i]*arr2[i];
}
Doubtful Dunlin
var sum = 0;
for(var i=0; i< arr1.length; i++) {
sum += arr1[i]*arr2[i];
}
var items = [
[1, 2],
[3, 4],
[5, 6]
];
console.log(items[0][0]); // 1
console.log(items[0][1]); // 2
console.log(items[1][0]); // 3
console.log(items[1][1]); // 4
console.log(items);
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