call js in html code example

Example 1: import js in html

<script type="text/javascript" src="yourfile.js"></script>

Example 2: linking a script .js

<script type="text/javascript" src="path-to-javascript-file.js"></script>

Example 3: call js script in html

<script src="file1.js" type="text/javascript"></script> 
<script src="file2.js" type="text/javascript"></script>

Example 4: javascript function call with variable

function abc() {
  alert('test');
}

var funcName = 'abc';

window[funcName]();