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Array.prototype.equals
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| /** | |
| * [1,2,3].equals([1,2,3]); // true | |
| * [1,2,3].equals([1,2]); // false | |
| * [1,2,3].equals([1,2,4]); // false | |
| * [1,2,3].equals("123"); // false | |
| * Array.prototype.equals.call("123", "123"); // true | |
| * Array.prototype.equals.call("123", [1,2,3]); // false | |
| * [1,2,3].equals([1,2,{value: 3}], (x, y) => (x.value || x) === (y.value || y)); // true | |
| */ | |
| Array.prototype.equals = function (other, callback = (x, y) => (x === y)) { | |
| // Check the other object is of the same type | |
| if (Object.getPrototypeOf(this) !== Object.getPrototypeOf(other)) { | |
| return false; | |
| } | |
| if (this.length === undefined || this.length !== other.length) { | |
| return false; | |
| } | |
| return Array.prototype.every.call(this, (x, i) => callback(x, other[i])); | |
| }; |
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