JSFiddle - React, Tailwind, and code Playground

by danShumway

JavaScript

function arnold()
{
    if(this.x == undefined)
        this.x = 0;
    else
        x++;
    
    return x;
}

for(var i = 0; i < 10; i++)
{
    alert(arnold());
}

arnold.x = 5;

alert(arnold.x);