title: How to check for only high vulnerabilities when using "npm audit"?
body: <p>When you I execute <code>npm install</code> using new <strong>npm 6</strong>
  i got a messages that tell me I have some <strong>vulnerabilities</strong> :</p>
  <blockquote>
  <p>[!] 75 vulnerabilities found [4867 packages audited]</p>
  <p>Severity: 66 Low | 4 Moderate | 5 High</p>
  <p>Run <code>npm audit</code> for more detail</p>
  </blockquote>
  <p>I ran <code>npm audit</code> but got a truncated list of vulnerabilities.</p>
  <p>How I can check for only <strong>High</strong> vulnerabilities list ?</p>
  <p>Thanks</p>