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https://github.com/10h30/odin-javascript-exercises.git
synced 2026-07-12 11:16:09 +09:00
Clean up the oopsie. Rebuild the blank exercises.
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+28
-25
@@ -1,43 +1,46 @@
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'use strict';
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// do not edit .js files directly - edit src/index.jst
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module.exports = function equal(a, b) {
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if (a === b) return true;
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var arrA = Array.isArray(a)
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, arrB = Array.isArray(b)
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, i;
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if (a && b && typeof a == 'object' && typeof b == 'object') {
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if (a.constructor !== b.constructor) return false;
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if (arrA && arrB) {
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if (a.length != b.length) return false;
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for (i = 0; i < a.length; i++)
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if (!equal(a[i], b[i])) return false;
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return true;
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}
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var length, i, keys;
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if (Array.isArray(a)) {
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length = a.length;
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if (length != b.length) return false;
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for (i = length; i-- !== 0;)
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if (!equal(a[i], b[i])) return false;
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return true;
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}
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if (arrA != arrB) return false;
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if (a && b && typeof a === 'object' && typeof b === 'object') {
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var keys = Object.keys(a);
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if (keys.length !== Object.keys(b).length) return false;
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var dateA = a instanceof Date
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, dateB = b instanceof Date;
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if (dateA && dateB) return a.getTime() == b.getTime();
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if (dateA != dateB) return false;
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if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
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if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
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if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
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var regexpA = a instanceof RegExp
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, regexpB = b instanceof RegExp;
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if (regexpA && regexpB) return a.toString() == b.toString();
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if (regexpA != regexpB) return false;
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keys = Object.keys(a);
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length = keys.length;
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if (length !== Object.keys(b).length) return false;
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for (i = 0; i < keys.length; i++)
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for (i = length; i-- !== 0;)
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if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
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for (i = 0; i < keys.length; i++)
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if(!equal(a[keys[i]], b[keys[i]])) return false;
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for (i = length; i-- !== 0;) {
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var key = keys[i];
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if (!equal(a[key], b[key])) return false;
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}
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return true;
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}
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return false;
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// true if both NaN, false otherwise
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return a!==a && b!==b;
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};
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