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16 lines
562 B
JavaScript
16 lines
562 B
JavaScript
// Copyright 2009 the Sputnik 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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info: |
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If neither Result(2) nor any prefix of Result(2) satisfies the syntax of a
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StrDecimalLiteral (see 9.3.1), return NaN
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esid: sec-parsefloat-string
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description: parseFloat("wrong numbr format") return NaN
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---*/
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assert.sameValue(parseFloat(".x"), NaN, ".x");
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assert.sameValue(parseFloat("+x"), NaN, "+x");
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assert.sameValue(parseFloat("infinity"), NaN, "infinity");
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assert.sameValue(parseFloat("A"), NaN, "A");
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