Please tell me in Java script what is the problem in this coding

Question

function main() {
var increase = parseInt(readLine(), 10);
var prices = [98.99, 15.2, 20, 1026];
//your code goes here
for(var i=0; i<=prices.lenght-1; i++){
prices[i]=prices[i]+increase;
}
console.log(prices);
}

Answer 1

Check 'length' spelling? // ? lenght x

Answer 2

Thanks you