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25 lines
688 B
JavaScript
25 lines
688 B
JavaScript
// Copyright 2015 Microsoft Corporation. All rights reserved.
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// This code is governed by the license found in the LICENSE file.
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/*---
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description: Passing a valid array
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esid: sec-array.from
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es6id: 22.1.2.1
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---*/
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var array = [0, 'foo', , Infinity];
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var result = Array.from(array);
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assert.sameValue(result.length, 4, 'result.length');
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assert.sameValue(result[0], 0, 'result[0]');
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assert.sameValue(result[1], 'foo', 'result[1]');
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assert.sameValue(result[2], undefined, 'result[2]');
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assert.sameValue(result[3], Infinity, 'result[3]');
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assert.notSameValue(
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result, array,
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'result is not the object from items argument'
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);
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assert(result instanceof Array, 'result instanceof Array');
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