<pre class="shiki github-dark shaku"><code>/** * @param {any} data * @return {string} */function detectType(data) { const type = Object.prototype.toString.call(data) return type.substring(8, type.length - 1).toLowerCase()}</code></pre>

detect type

This is an easy problem. For all the basic data types in JavaScript, how could you write a function to detect the type of arbitrary data? Besides basi…