JSFiddle - React, Tailwind, and code Playground

JavaScript

console.log(a);
console.log(b);
try {
    a();
} catch( e ) {
    console.log( "run a failed", e );
}
try {
    b();
} catch( e ) {
    console.log( "run b failed", e );
}

function a(){
    console.log( "running a" );
}
var b=function(){
    console.log( "running b" );
}