mirror of https://github.com/tc39/test262.git
29 lines
762 B
JavaScript
29 lines
762 B
JavaScript
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// Copyright (C) 2016 the V8 project authors. 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-for-in-and-for-of-statements
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es6id: 13.7.5
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description: >
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The token sequence `let [`is interpreted as the beginning of a destructuring
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binding pattern
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info: |
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Syntax
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IterationStatement[Yield, Return]:
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for ( [lookahead ≠ let]LeftHandSideExpression[?Yield] of
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AssignmentExpression[+In, ?Yield] ) Statement[?Yield, ?Return]
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for ( ForDeclaration[?Yield] of AssignmentExpression[+In, ?Yield] )
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Statement[?Yield, ?Return]
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---*/
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var value;
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for ( let[x] of [[34]] ) {
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value = x;
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}
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assert.sameValue(typeof x, 'undefined', 'binding is block-scoped');
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assert.sameValue(value, 34);
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