mirror of https://github.com/tc39/test262.git
31 lines
819 B
JavaScript
31 lines
819 B
JavaScript
// 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-iteration-statements
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es6id: 13.7
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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 [ } ] Expression[~In, ?Yield]opt ;
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Expression[+In, ?Yield]opt ; Expression[+In, ?Yield]opt )
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Statement[?Yield, ?Return]
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for ( LexicalDeclaration[~In, ?Yield] Expression[+In, ?Yield]opt ;
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Expression[+In, ?Yield]opt) Statement[?Yield, ?Return]
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---*/
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var value;
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for ( let[x] = [23]; ; ) {
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value = x;
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break;
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}
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assert.sameValue(typeof x, 'undefined', 'binding is block-scoped');
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assert.sameValue(value, 23);
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