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Developer
2025-04-21 16:03:20 +02:00
commit 2832896157
22874 changed files with 3092801 additions and 0 deletions

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"use strict";
var toPosInt = require("../../number/to-pos-integer")
, value = require("../../object/valid-value")
, objHasOwnProperty = Object.prototype.hasOwnProperty;
module.exports = function () {
var i, length;
if (!(length = toPosInt(value(this).length))) return null;
i = length - 1;
while (!objHasOwnProperty.call(this, i)) {
if (--i === -1) return null;
}
return i;
};