JSFiddle - React, Tailwind, and code Playground

HTML

<p class="resulta"> </p>
<p class="resultb"> </p>
<p class="resultc"> </p>
<p class="resultd"> </p>
<p class="resulte"> </p>
<p class="resultf"> </p>
<p class="resultg"> </p>

JavaScript

var a = "out";
var b = "out";
var c = "out";
var d = "out";
var e = "out";
var f = "out";
var g = "out";


function test() {
    var a, b, c = "in";
    b = "in";
    var d = e = f = "in";
    var g = "in";
}

test();

$(".resulta").text("a = " + a);
$(".resultb").text("b = " + b);
$(".resultc").text("c = " + c);
$(".resultd").text("d = " + d);
$(".resulte").text("e = " + e);
$(".resultf").text("f = " + f);
$(".resultg").text("g = " + g);