So there's this Michiel Hendriks who says, "I'm looking for the next person to one-up this" and so here I am one-upping myself.
Here we reverse the string using a Generator to iterate backwards through the string and hand ball each character to an array that gets .join()ed at the end.
function Bruce_ReverseGenerator(string) {
function* reverseGenerator(string) {
let str = string;
let index = str.length - 1;
while (true)
yield str.charAt(index--);
}
let result = [];
const gen = reverseGenerator(string);
var ch;
while (ch = gen.next().value) {
result.push(ch);
}
return result.join("");
}
Yep, decorated to run in the testing frame and giving surprisingly good results, viz:
C:\TMP>timer.ly /TIMES:1000
Sarah_ForOf 1502.905 ticks
Bruce_CharAt 2646.537 ticks
Sarah_SplitReverseJoin 2715.699 ticks
Bruce_Recursive2 2786.771 ticks
Nathanael_SplitReverseJoin 3104.762 ticks
Bruce_Recursive1 3112.511 ticks
Theophanis_SplitFor 3208.017 ticks
Sarah_Reduce 3227.539 ticks
Theophanis_SplitFor_Bruced 3706.581 ticks
Sarah_Recursive 3810.085 ticks
Bruce_ArrayApplyMap 5318.65 ticks
Bruce_ReverseGenerator 7354.585 ticks
Bruce_MapSortMap 9637.046 ticks
Bruce_CharAt2 13913.316 ticks
Bruce_RegReverse 490151.264 ticks
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