JavaScript - Batch Download Images

batch-images.js

// <img>s wrapped in <a> tags
// Select images
var images = document.querySelectorAll('img');

// Get parent links
var links = [];
images.forEach(
  function (el) {
    links.push(el.parentElement);
  }
);

// Loop and download each
links.forEach(
  function(a) { 
    a.setAttribute('download', null); // set download attr explicitly 
    a.click(); 
  }
);