JSFiddle - React, Tailwind, and code Playground

HTML

<div id="myDiv" onmouseout="myFunc(this)" >
</div>

CSS

#myDiv {
    width:250px;
    height:200px;
    background:red;
}

JavaScript

//window.myFunc makes myFunc as a global function 
// It can be accessed from any were inside current window.
window.myFunc = function myFunc(x)
{
    alert('yo');
}
 // function below is not available gloably.
    function myFunct1(){
       alert('yo1');    
    }