Dynamic variable in for loop causes crash

Challenge Name

Sum All Odd Fibonacci Numbers

https://www.freecodecamp.org/challenges/sum-all-odd-fibonacci-numbers

Issue Description

When entering in the parameter of the function as a variable in the for loop in the max place as shown below, it causes an endless loop and crashes the browser.

Browser Information

• Chrome, Version: 61.0.3163.100
• Operating System: MacOS Sierra 10.12.6
• Mobile, Desktop, or Tablet: Desktop

Your Code

function sumFibs(num) {
  var fib = [1,1];
  
  for(var f=0;f<num;f++){
    var secondLast = fib.slice(-2);
    var last = fib.slice(-1);
    fib.push(secondLast[0] + last[0]);
  }
  return fib;
}

sumFibs(4);

[IAmMyself]

I believe that the problem here is that something handling the returned data is not expecting the array, not that the original loop itself is going on ad infinitum.

[QuincyLarson]

I’m closing this issue as stale since it hasn’t been active lately. If you think this is still relevant to the newly updated platform, please explain why, then reopen it.