Map-iterator-1.js - mozsearch

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// for-of can be used to iterate over a Map twice.

var map = new Map([['a', 0], ['b', 1], ['c', 2]]);

var log = '';

for (let i = 0; i < 2; i++) {

    for (let [k, v] of map)

        log += k + v;

    log += ';'

assertEq(log, 'a0b1c2;a0b1c2;');