JS download files through URL links

Scenario description

ajax After the request , Back end export interface , What is returned is the of the exported file url link

Realization

const elt = document.createElement('a');
elt.setAttribute('href', url);
elt.setAttribute('download', 'file.png');
elt.style.display = 'none';
document.body.appendChild(elt);
elt.click();
document.body.removeChild(elt);