JSFiddle - React, Tailwind, and code Playground

HTML

<input type="checkbox" id="abc$master$uccontrl$tel" name="abc$master$uccontrl$tel"/>
<input type="checkbox" id="abd$master$uccontrl$tel" name="abd$master$uccontrl$tel"/>
<input type="checkbox" id="abe$master$uccontrl$tel" name="abe$master$uccontrl$tel"/>
<input type="checkbox" id="abf$master$uccontrl$tel" name="abf$master$uccontrl$tel"/>

JavaScript

$('input').each(function(i, x){
  // Log index, content
  console.log(i,x); 
  
  // Do something with the element
  $(this).prop("checked", true);
    
  // Both of these are working fine.
});