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18 lines
613 B
18 lines
613 B
'use strict'; |
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var $export = require('./_export'); |
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var $fails = require('./_fails'); |
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var aNumberValue = require('./_a-number-value'); |
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var $toPrecision = 1.0.toPrecision; |
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$export($export.P + $export.F * ($fails(function () { |
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// IE7- |
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return $toPrecision.call(1, undefined) !== '1'; |
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}) || !$fails(function () { |
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// V8 ~ Android 4.3- |
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$toPrecision.call({}); |
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})), 'Number', { |
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toPrecision: function toPrecision(precision) { |
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var that = aNumberValue(this, 'Number#toPrecision: incorrect invocation!'); |
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return precision === undefined ? $toPrecision.call(that) : $toPrecision.call(that, precision); |
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} |
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});
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