const delete_tag = document.querySelectorAll('.delete')
for(var i = 0 ; i < delete_tag.length; i++){
tag(i).addEventListener('click', function(e){
fetch('/abc', {
method : 'POST',
headers : {
'Content-Type' : 'application/json'
},
body : JSON.stringify({id : e.target.dataset.id}),
})
})