chushihua

2026-01-26 23:20:48 +08:00
commit 7b5aab0206
22521 changed files with 3300090 additions and 0 deletions
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+'use strict';
+
+var abs = require('./abs');
+var floor = require('./floor');
+
+var $isNaN = require('../helpers/isNaN');
+var $isFinite = require('../helpers/isFinite');
+
+// https://ecma-international.org/ecma-262/6.0/#sec-isinteger
+
+module.exports = function IsInteger(argument) {
+	if (typeof argument !== 'number' || $isNaN(argument) || !$isFinite(argument)) {
+		return false;
+	}
+	var absValue = abs(argument);
+	return floor(absValue) === absValue;
+};