JSFiddle - React, Tailwind, and code Playground
HTML
<ul>
<li language="English"> Australia </li>
<li language="English"> America </li>
<li language="French"> France </li>
<li language="French English"> Canada </li>
<li langauge="German"> Germany </li>
</ul>
<button type="button">click</button>
JavaScript
$("button").on("click",function(){
$('li').not("[language*='English']").hide();
});