JSFiddle - React, Tailwind, and code Playground

JavaScript

var name ='excel-file.xlsx';
var content = 'data';
var mimetype = 'application/vnd.ms-excel';

$('body').append('<a class="download-trigger" style="display:none;"></a>');
    
var a = $('.download-trigger')[0];
a.href = window.URL.createObjectURL(new Blob([content], {
    type: mimetype
}));
a.download = name;
a.textContent = 'Download';
a.click();