how to link both bootstrap javascript file and external js file in html file code example

Example 1: how to link javascript to html and css

# Javascript
<script src="[file_name].js"></script>

# CSS
<link rel = "stylesheet" type="text/css" href = "style.css" />

Example 2: how to link js to html

<script src="Your-JavaScript-File.js"></script> <!--If JS file is in same folder with HTML file-->