following along part 3

This commit is contained in:
Pablo Martin 2025-05-29 19:41:40 +02:00
parent 2e3dfd4114
commit ade19f00bc
602 changed files with 67987 additions and 0 deletions

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@ -0,0 +1,11 @@
'use strict';
var $isNaN = require('./isNaN');
/** @type {import('./sign')} */
module.exports = function sign(number) {
if ($isNaN(number) || number === 0) {
return number;
}
return number < 0 ? -1 : +1;
};