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// Removing a Set entry already visited by an iterator does not cause any
// entries to be skipped.
var str = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
var set = new Set(str);
var log = '';
var i = 0;
for (var x of set) {
log += x;
if (i++ % 5 === 0) {
// Delete all entries preceding this one.
for (let y of set) {
if (y === x)
break;
set.delete(y);
}
}
}
assertEq(log, str);
assertEq(set.size, 1); // Elements 0 to 24 are removed, leaving only 25 (Z).
assertEq(set.has('Z'), true);
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