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