The Tor Browser / file comparison
comparison: js/src/builtin/Number.js
js/src/builtin/Number.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:151bb90324c2 |
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 /*global intl_NumberFormat: false, */ | |
| 6 | |
| 7 | |
| 8 var numberFormatCache = new Record(); | |
| 9 | |
| 10 | |
| 11 /** | |
| 12 * Format this Number object into a string, using the locale and formatting options | |
| 13 * provided. | |
| 14 * | |
| 15 * Spec: ECMAScript Language Specification, 5.1 edition, 15.7.4.3. | |
| 16 * Spec: ECMAScript Internationalization API Specification, 13.2.1. | |
| 17 */ | |
| 18 function Number_toLocaleString() { | |
| 19 // Steps 1-2. Note that valueOf enforces "this Number value" restrictions. | |
| 20 var x = callFunction(std_Number_valueOf, this); | |
| 21 | |
| 22 // Steps 2-3. | |
| 23 var locales = arguments.length > 0 ? arguments[0] : undefined; | |
| 24 var options = arguments.length > 1 ? arguments[1] : undefined; | |
| 25 | |
| 26 // Step 4. | |
| 27 var numberFormat; | |
| 28 if (locales === undefined && options === undefined) { | |
| 29 // This cache only optimizes for the old ES5 toLocaleString without | |
| 30 // locales and options. | |
| 31 if (numberFormatCache.numberFormat === undefined) | |
| 32 numberFormatCache.numberFormat = intl_NumberFormat(locales, options); | |
| 33 numberFormat = numberFormatCache.numberFormat; | |
| 34 } else { | |
| 35 numberFormat = intl_NumberFormat(locales, options); | |
| 36 } | |
| 37 | |
| 38 // Step 5. | |
| 39 return intl_FormatNumber(numberFormat, x); | |
| 40 } |
