"content":"<p>Given an object or an array, return if it is empty.</p>\n\n<ul>\n\t<li>An empty object contains no key-value pairs.</li>\n\t<li>An empty array contains no elements.</li>\n</ul>\n\n<p>You may assume the object or array is the output of <code>JSON.parse</code>.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> obj = {"x": 5, "y": 42}\n<strong>Output:</strong> false\n<strong>Explanation:</strong> The object has 2 key-value pairs so it is not empty.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> obj = {}\n<strong>Output:</strong> true\n<strong>Explanation:</strong> The object doesn't have any key-value pairs so it is empty.\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> obj = [null, false, 0]\n<strong>Output:</strong> false\n<strong>Explanation:</strong> The array has 3 elements so it is not empty.\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>obj</code> is a valid JSON object or array</li>\n\t<li><code>2 <= JSON.stringify(obj).length <= 10<sup>5</sup></code></li>\n</ul>\n\n<p> </p>\n<strong>Can you solve it in O(1) time?</strong>",
"envInfo":"{\"javascript\": [\"JavaScript\", \"<p><code>Node.js 16.13.2</code>.</p>\\r\\n\\r\\n<p>Your code is run with <code>--harmony</code> flag, enabling <a href=\\\"http://node.green/\\\" target=\\\"_blank\\\">new ES6 features</a>.</p>\\r\\n\\r\\n<p><a href=\\\"https://lodash.com\\\" target=\\\"_blank\\\">lodash.js</a> library is included by default.</p>\\r\\n\\r\\n<p>For Priority Queue / Queue data structures, you may use 5.3.0 version of <a href=\\\"https://github.com/datastructures-js/priority-queue/tree/fb4fdb984834421279aeb081df7af624d17c2a03\\\" target=\\\"_blank\\\">datastructures-js/priority-queue</a> and 4.2.1 version of <a href=\\\"https://github.com/datastructures-js/queue/tree/e63563025a5a805aa16928cb53bcd517bfea9230\\\" target=\\\"_blank\\\">datastructures-js/queue</a>.</p>\"], \"typescript\": [\"Typescript\", \"<p><code>TypeScript 5.1.6, Node.js 16.13.2</code>.</p>\\r\\n\\r\\n<p>Your code is run with <code>--harmony</code> flag, enabling <a href=\\\"http://node.green/\\\" target=\\\"_blank\\\">new ES2022 features</a>.</p>\\r\\n\\r\\n<p><a href=\\\"https://lodash.com\\\" target=\\\"_blank\\\">lodash.js</a> library is included by default.</p>\"]}",