JSFiddle - React, Tailwind, and code Playground

by tchalvakspam

HTML

<body>
    
    <script>
        my_var = 'original';  // Global value.

my_var = my_var || 'global default'; // Check for global value and set a default.

function test() {
    var my_var = my_var || 'local default'; // Check for global value and set a local value.
    alert('in-function: '+my_var);
};
        
        window.load = function alerts(){
            test();
            
            alert('final-global-value: '+my_var); // Alert the global value.
        };
    </script>
</body>