mirror of https://github.com/tc39/test262.git
27 lines
676 B
JavaScript
27 lines
676 B
JavaScript
// Copyright (C) 2017 Rick Waldron. 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-function-definitions-runtime-semantics-iteratorbindinginitialization
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description: A new declarative environment is created, from the originalEnv, for each parameter.
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info: |
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Runtime Semantics: IteratorBindingInitialization
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FormalParameter : BindingElement
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...
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6. Let paramVarEnv be NewDeclarativeEnvironment(originalEnv).
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...
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features: [arrow-function, default-parameters]
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---*/
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var y;
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function f(a = eval("var x = 1; y = 42; x"), b = x) {}
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assert.throws(ReferenceError, () => {
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f();
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});
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assert.sameValue(y, 42);
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