JSFiddle - React, Tailwind, and code Playground

JavaScript

function _showFavColor(getColor){
 var favoriteColor = 'red';
 var garageColor  ="blue";   
    
 var carColor = getColor;

if (carColor == favoriteColor ){ 
    alert("your car is " + favoriteColor);

} else if (carColor == garageColor){
    alert("your car is " + garageColor);

} else {
    carColor = "red";
}
}
_showFavColor('red');
_showFavColor('blue');