"content":"<p>Given a positive integer <code>millis</code>, write an asynchronous function that sleeps for <code>millis</code> milliseconds. It can resolve any value.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> millis = 100\n<strong>Output:</strong> 100\n<strong>Explanation:</strong> It should return a promise that resolves after 100ms.\nlet t = Date.now();\nsleep(100).then(() => {\n console.log(Date.now() - t); // 100\n});\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> millis = 200\n<strong>Output:</strong> 200\n<strong>Explanation:</strong> It should return a promise that resolves after 200ms.\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= millis <= 1000</code></li>\n</ul>\n",
"In Javascript, you can execute code after some delay with the setTimeout(fn, sleepTime) function.",
"An async function is defined as function which returns a Promise.",
"To create a Promise, you can code new Promise((resolve, reject) => {}). When you want the function to return a value, code resolve(value) inside the callback."
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