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            "title": "To Be Or Not To Be",
            "titleSlug": "to-be-or-not-to-be",
            "content": "<p>Write a function&nbsp;<code>expect</code> that helps developers test their code. It should take in any value&nbsp;<code>val</code>&nbsp;and return an object with the following two functions.</p>\n\n<ul>\n\t<li><code>toBe(val)</code>&nbsp;accepts another value and returns&nbsp;<code>true</code>&nbsp;if the two values&nbsp;<code>===</code>&nbsp;each other. If they are not equal, it should throw an error&nbsp;<code>&quot;Not Equal&quot;</code>.</li>\n\t<li><code>notToBe(val)</code>&nbsp;accepts another value and returns&nbsp;<code>true</code>&nbsp;if the two values&nbsp;<code>!==</code>&nbsp;each other. If they are equal, it should throw an error&nbsp;<code>&quot;Equal&quot;</code>.</li>\n</ul>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> func = () =&gt; expect(5).toBe(5)\n<strong>Output:</strong> {&quot;value&quot;: true}\n<strong>Explanation:</strong> 5 === 5 so this expression returns true.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> func = () =&gt; expect(5).toBe(null)\n<strong>Output:</strong> {&quot;error&quot;: &quot;Not Equal&quot;}\n<strong>Explanation:</strong> 5 !== null so this expression throw the error &quot;Not Equal&quot;.\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> func = () =&gt; expect(5).notToBe(null)\n<strong>Output:</strong> {&quot;value&quot;: true}\n<strong>Explanation:</strong> 5 !== null so this expression returns true.\n</pre>\n",
            "translatedTitle": "相等还是不相等",
            "translatedContent": "<p>请你编写一个名为 <code>expect</code> 的函数，用于帮助开发人员测试他们的代码。它应该接受任何值 <code>val</code> 并返回一个包含以下两个函数的对象。</p>\n\n<ul>\n\t<li><code>toBe(val)</code> 接受另一个值并在两个值相等（ <code>===</code> ）时返回 <code>true</code> 。如果它们不相等，则应抛出错误 <code>\"Not Equal\"</code> 。</li>\n\t<li><code>notToBe(val)</code> 接受另一个值并在两个值不相等（ <code>!==</code> ）时返回 <code>true</code> 。如果它们相等，则应抛出错误 <code>\"Equal\"</code> 。</li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><strong class=\"example\">示例 1：</strong></p>\n\n<pre>\n<b>输入：</b>func = () =&gt; expect(5).toBe(5)\n<b>输出：</b>{\"value\": true}\n<b>解释：</b>5 === 5 因此该表达式返回 true。\n</pre>\n\n<p><strong class=\"example\">示例 2：</strong></p>\n\n<pre>\n<b>输入：</b>func = () =&gt; expect(5).toBe(null)\n<b>输出：</b>{\"error\": \"Not Equal\"}\n<b>解释：</b>5 !== null 因此抛出错误 \"Not Equal\".\n</pre>\n\n<p><strong class=\"example\">示例 3：</strong></p>\n\n<pre>\n<b>输入：</b>func = () =&gt; expect(5).notToBe(null)\n<b>输出：</b>{\"value\": true}\n<b>解释：</b>5 !== null 因此该表达式返回 true.\n</pre>\n",
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                    "code": "/**\n * @param {string} val\n * @return {Object}\n */\nvar expect = function(val) {\n    \n};\n\n/**\n * expect(5).toBe(5); // true\n * expect(5).notToBe(5); // throws \"Equal\"\n */",
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