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22 lines
642 B
JavaScript
22 lines
642 B
JavaScript
// Copyright (C) 2011 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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es6id: 13.1
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description: >
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for-in to acquire properties from object
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includes: [compareArray.js]
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---*/
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function props(x) {
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var array = [];
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for (let p in x) array.push(p);
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return array.sort();
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}
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assert.sameValue(props({}).length, 0);
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assert.sameValue(props({x:1}).length, 1);
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assert.sameValue(props({x:1, y:2}).length, 2);
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assert(compareArray(props({x:1}), ["x"]));
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assert(compareArray(props({x:1, y:2}), ["x", "y"]));
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assert(compareArray(props({x:1, y:2, zoom:3}), ["x", "y", "zoom"]));
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