TODO#139884 Banner 1 文案調整

HelenHuang

2022-06-09 26a09f08cf1ed43c640879f23fdad56c5c9282f7

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'use strict';
var $ = require('../internals/export');
var emplace = require('../internals/map-emplace');
 
// `Map.prototype.emplace` method
// https://github.com/thumbsupep/proposal-upsert
$({ target: 'Map', proto: true, real: true, forced: true }, {
  emplace: emplace
});