Delete all you Facebook Photos (tested in Chrome 65)

deleteAllMyFbMyPhotos.js

/*
This script is for deleting your photos...

1. Go to your profile
2. Select Photos
3. Scroll down until you can see all the photos you wish to delete in this session (all of them if you like)
4. Paste this script in the console and press return

*/

function timeout(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
}
(async () =>{
    while(document.querySelector(".fbTimelineSelectorButton")){
        var clickEvent = document.createEvent("MouseEvents");
        clickEvent.initEvent("click",true,false);
        document.querySelector(".fbTimelineSelectorButton").dispatchEvent(clickEvent);
        await timeout(500);
        document.querySelector("a.itemAnchor[data-action-type=delete_photo]").dispatchEvent(clickEvent);
        await timeout(1000);
        document.querySelector("button.layerConfirm").dispatchEvent(clickEvent);
        await timeout(3000);
    }
})()