Strict mode Passingnon-Strict mode Passing
Features:
- Proxy
- Symbol
// Copyright (C) 2019 Aleksey Shvayka. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-json.stringify description: > Values that are neither strings nor numbers are ignored. info: | JSON.stringify ( value [ , replacer [ , space ] ] ) [...] 4. If Type(replacer) is Object, then [...] 4. Repeat, while k < len, a. Let v be ? Get(replacer, ! ToString(k)). [...] f. If item is not undefined and item is not currently an element of PropertyList, then i. Append item to the end of PropertyList. features: [Proxy, Symbol] ---*/ var obj = new Proxy({}, { get: function(_target, key) { if (key !== 'toJSON') { throw new Test262Error(); } }, }); var replacer = [ true, false, null, {toString: function() { return 'toString'; }}, Symbol(), ]; assert.sameValue(JSON.stringify(obj, replacer), '{}');