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31 lines
1.0 KiB
JavaScript
31 lines
1.0 KiB
JavaScript
// Copyright (C) 2015 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: 21.1.2.2
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description: >
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Returns the String value with the code unit for the given coerced types.
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info: >
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String.fromCodePoint ( ...codePoints )
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1. Let codePoints be a List containing the arguments passed to this function.
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...
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5. Repeat while nextIndex < length
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a. Let next be codePoints[nextIndex].
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b. Let nextCP be ToNumber(next).
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...
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6. Return the String value whose elements are, in order, the elements in the
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List elements. If length is 0, the empty string is returned.
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Ref: 7.1.3 ToNumber ( argument )
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---*/
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assert.sameValue(String.fromCodePoint(null), '\x00');
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assert.sameValue(String.fromCodePoint(false), '\x00');
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assert.sameValue(String.fromCodePoint(true), '\x01');
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assert.sameValue(String.fromCodePoint('42'), '\x2A');
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assert.sameValue(String.fromCodePoint('042'), '\x2A');
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assert.sameValue(
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String.fromCodePoint({ valueOf: function() { return 31; } }),
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'\x1F'
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);
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