// Copyright (C) 2019 Alexey Shvayka. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-internalizejsonproperty description: > `name` property is obtained with [[Get]] from prototype chain. info: | JSON.parse ( text [ , reviver ] ) [...] 7. If IsCallable(reviver) is true, then [...] d. Return ? InternalizeJSONProperty(root, rootName). InternalizeJSONProperty ( holder, name ) 1. Let val be ? Get(holder, name). 2. If Type(val) is Object, then a. Let isArray be ? IsArray(val). b. If isArray is true, then [...] iii. Repeat, while I < len, 1. Let newElement be ? InternalizeJSONProperty(val, ! ToString(I)). 2. If newElement is undefined, then [...] 3. Else, a. Perform ? CreateDataProperty(val, ! ToString(I), newElement). ---*/ Array.prototype[1] = 3; var json = '[1, 2]'; var arr = JSON.parse(json, function(key, value) { if (key === '0') { assert(delete this[1]); } return value; }); assert(delete Array.prototype[1]); assert.sameValue(arr[0], 1); assert(arr.hasOwnProperty('1')); assert.sameValue(arr[1], 3); reportCompare(0, 0);