ES6 Exercises 2 Answers
How do I make an es6 exercises 2 answers?
For O'Reilly ES6+React webcast. What is a es6 exercises 2 answers? How do you make a es6 exercises 2 answers? This script and codes were developed by Brian Holt on 14 October 2022, Friday.
ES6 Exercises 2 Answers - Script Codes HTML Codes
<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>ES6 Exercises 2 Answers</title> <link rel='stylesheet prefetch' href='https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.3.4/jasmine.css'>
</head>
<body> <script src='https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.3.4/jasmine.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.3.4/jasmine-html.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.3.4/boot.js'></script> <script src="js/index.js"></script>
</body>
</html>
ES6 Exercises 2 Answers - Script Codes JS Codes
'use strict';
var _iterable;
// create an object called iterable
// iterable has two methods
//
// @[Symbol.iterator]
// returns an object with a next method
// takes array given from set method
// and returns the square of them when
// the next method is called
// @set
// takes an arbirary amount of numbers (not an array)
// stores them for use with the iterator
// code goes here
var iterable = (_iterable = { nums: [], set: function set() { for (var _len = arguments.length, nums = Array(_len), _key = 0; _key < _len; _key++) { nums[_key] = arguments[_key]; } this.nums = nums; }
}, _iterable[Symbol.iterator] = function () { var count = 0; var self = this; return { next: function next() { var ans = { done: count >= self.nums.length, value: count < self.nums.length ? self.nums[count] * self.nums[count] : undefined }; count++; return ans; } };
}, _iterable);
// unit tests
// do not modify the below code
describe('square iterable', function () { it('should have an iterable method', function () { expect(iterable[Symbol.iterator]).toBeDefined(); }); it('should have a set method', function () { expect(iterable.set).toBeDefined(); }); it('should be able to set iterate over an arbitrary set of numbers and square them', function () { var ans = []; iterable.set(1, 4, 2, 100, 7); for (var _iterator = iterable, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) { var _ref; if (_isArray) { if (_i >= _iterator.length) break; _ref = _iterator[_i++]; } else { _i = _iterator.next(); if (_i.done) break; _ref = _i.value; } var num = _ref; ans.push(num); } expect(ans).toEqual([1, 16, 4, 10000, 49]); });
});
Developer | Brian Holt |
Username | btholt |
Uploaded | October 14, 2022 |
Rating | 3 |
Size | 2,842 Kb |
Views | 32,384 |
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