JSFiddle - React, Tailwind, and code Playground
HTML
<input id='showDeletedQuestionsId' name='showDeletedQuestions' type='checkbox' style='margin-right: 3px' />
JavaScript
$('#showDeletedQuestionsId').change(function(){
var showDeletedCheckbox = $('#showDeletedQuestionsId').is(':checked');
if(showDeletedCheckbox){
alert('checked')
}else{
alert('not checked')
}
})