Test case details

Preparation Code

<script>   var str, str1, i, j; </script>

Test cases

Test #1

for (i = 0; i < 10000; i++) {  str += 'a'; }

Test #2

var tmp = []; for (j = 0; j < 10000; j++) {  tmp.push('a'); } str2 = tmp.join('');

Test #3

var tmp = new Array(10000); for (j = 0; j < 10000; j++) {  tmp[j] = 'a'; } str2 = tmp.join('');