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ECMAScript spec abstract operations.
github.com/ljharb/es-abstract
ljharb/es-abstract
es-abstract
/
helpers
/
isNaN.js
6 lines
(4 loc)
•
88 B
JavaScript
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'use strict'
;
module
.
exports
=
Number
.
isNaN
||
function
isNaN
(
a
) {
return
a !== a; };