CCNA, CCNP, MCSA, CCNA Final Exam, All Answer Test Module With 100/100

In this page I found a new JavaScript function type: // NOTE: "function*" is not supported yet in Firefox. // Remove the asterisk in order for this code to work in Firefox 13 function* fibonacci() { // !!! this is the interesting line !!! let [prev, curr] = [0, 1]; for (;;) { [prev, curr] = [curr, prev + curr]; yield curr; } }