JSFiddle - React, Tailwind, and code Playground
HTML
<div id="field1">
<label>First Label</label>
</div>
<div id="field2">
<label>Second Label</label>
</div>
<div id="field3">
<label>Third Label</label>
</div>
<div id="field4">
<label>Fourth Label</label>
</div>
JavaScript
var label = $("label");
$("label").each(function () {
$(this).html("Your" + $(this).text())
});