JSFiddle - React, Tailwind, and code Playground

HTML

<input type="checkbox" name="group1" value="">
<input type="text" name="name11" class="stat" value="">
<input type="text" name="name12" class="stat" value="">
<input type="text" name="name13" class="stat" value="">
<br>
<input type="checkbox" name="group2" value="">
<input type="text" name="name21" class="stat" value="">
<input type="text" name="name22" class="stat" value="">
<input type="text" name="name23" class="stat" value="">
<br>
<input type="checkbox" name="group3" value="">
<input type="text" name="name31" class="stat" value="">
<input type="text" name="name32" class="stat" value="">
<input type="text" name="name33" class="stat" value="">
<br>

JavaScript

//$('input[name="name2"][type="checkbox"]').prop("disabled", true);



$("input[name='group1'][type='checkbox']").click(function() {
$("input[name='name11'][type='text']").attr("disabled", !this.checked);
$("input[name='name12'][type='text']").attr("disabled", !this.checked);
$("input[name='name13'][type='text']").attr("disabled", !this.checked);
});