2311061106/frontend/node_modules/es-abstract/2023/CanBeHeldWeakly.js
23175 b8b09fd9d4
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完成作业
2025-12-14 16:02:40 +08:00

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403 B
JavaScript

'use strict';
var isObject = require('es-object-atoms/isObject');
var KeyForSymbol = require('./KeyForSymbol');
// https://262.ecma-international.org/14.0/#sec-canbeheldweakly
module.exports = function CanBeHeldWeakly(v) {
if (isObject(v)) {
return true; // step 1
}
if (typeof v === 'symbol' && typeof KeyForSymbol(v) === 'undefined') {
return true; // step 2
}
return false; // step 3
};