download_iamges_in_console.js

function downloadIamge(imageSrc, name) {
    var image = new Image()
    image.setAttribute('crossOrigin', 'anonymous')
    image.onload = function () {
        var canvas = document.createElement('canvas')
        canvas.width = image.width
        canvas.height = image.height

        var context = canvas.getContext('2d')
        context.drawImage(image, 0, 0, image.width, image.height)
        var url = canvas.toDataURL('image/png')

        var a = document.createElement('a')
        var event = new MouseEvent('click')
        a.download = name || 'image_download'
        a.href = url

        a.dispatchEvent(event)
    }
    image.src = imageSrc
}

Array.from($("article img")).forEach((e,i)=>{
    downloadIamge(e.src, 'image'+i)
})