13 lines
397 B
JavaScript
13 lines
397 B
JavaScript
'use strict';
|
|
var $ = require('../internals/export');
|
|
var isIntegralNumber = require('../internals/is-integral-number');
|
|
|
|
var abs = Math.abs;
|
|
|
|
// `Number.isSafeInteger` method
|
|
// https://tc39.es/ecma262/#sec-number.issafeinteger
|
|
$({ target: 'Number', stat: true }, {
|
|
isSafeInteger: function isSafeInteger(number) {
|
|
return isIntegralNumber(number) && abs(number) <= 0x1FFFFFFFFFFFFF;
|
|
}
|
|
});
|