title: What is the difference between `npm run-script build` vs `npm build`?
body: <p>When I run <code>npm build</code>, it gives this error:</p>
  <pre class="lang-none prettyprint-override"><code>npm WARN build `npm build` called with no arguments
  </code></pre>
  <p>So, what's the difference between <code>npm run-script build</code> and <code>npm build</code>?</p>