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17 lines
493 B
JavaScript
17 lines
493 B
JavaScript
// Copyright (c) 2020 Ecma International. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-assignment-operators-runtime-semantics-evaluation
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description: >
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ReferenceError is thrown if the LeftHandSideExpression of a Logical
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Assignment operator(??=) evaluates to an unresolvable reference
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flags: [onlyStrict]
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features: [logical-assignment-operators]
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---*/
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assert.throws(ReferenceError, function() {
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unresolved ??= 1;
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});
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