JSFiddle - React, Tailwind, and code Playground
HTML
<ul class="foreground">
<li class="main">default</li>
<li class="main">default</li>
<li class="main" style="color:red">default</li>
<li class="main">default</li>
<li class="main">default</li>
</ul>
JavaScript
alert("hi");
var elements = document.querySelectorAll(".main");
for (var i = 0; i < elements.length; i++) {
if(elements[i].style.color == "red"){
elements[i].style.color = "";
}
}