如何使用jquery触发下载按钮

Question

单击HTML按钮或JavaScript时如何触发文件下载？

<a href="geeksforgeeks.png" download="GFG">

Answer 1

var link = document.createElement('a');
var file_name = $('.download_btn').attr('href');
link.href = file_name;
var filename = file_name.split('/').pop();
link.download = filename;
link.dispatchEvent(new MouseEvent('click'));