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Last change
on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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361 bytes
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| 1 | var $ = require('../internals/export');
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| 2 | var isInteger = require('../internals/is-integer');
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| 3 |
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| 4 | var abs = Math.abs;
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| 5 |
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| 6 | // `Number.isSafeInteger` method
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| 7 | // https://tc39.es/ecma262/#sec-number.issafeinteger
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| 8 | $({ target: 'Number', stat: true }, {
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| 9 | isSafeInteger: function isSafeInteger(number) {
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| 10 | return isInteger(number) && abs(number) <= 0x1FFFFFFFFFFFFF;
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| 11 | }
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| 12 | });
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