@jwaterfaucett/is_function

check whether a value is a function

Usage no npm install needed!

<script type="module">
  import jwaterfaucettIsFunction from 'https://cdn.skypack.dev/@jwaterfaucett/is_function';
</script>

README

Build Status

isFunction

Test whether a javascript value is a function or not.

Example Usage

var isFunction = require("@jwaterfaucett/is_function");

function foo() {
  return "foo";
}

isFunction(foo); // returns `true`

isFunction(null); // returns `false`