MDN
API for searching the MDN JavaScript documentation.
Example
Request
/search?q=map.set
Response
{
"url": "/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/set",
"title": "Map.prototype.set()",
"summary": "The <code><strong>set()</strong></code> method adds or updates an element with a specified key and a value to a <code>Map</code> object."
}