how to check host image deleted or removed

[DandyClubs]

some host image delete or removed

how to filter deleted images

[DandyClubs]

function ImageExists(image) {
    let exist = true
    let W = image.naturalWidth;
    let H = image.naturalHeight;
    const RootDomain = extractRootDomain(image.src)
    switch (RootDomain) {
        case 'imagetwist.com':
            if (H == 142 && W == 177) {
                exist = false;
            }
            break;
        case 'pimpandhost.com':
        case 'filesor.com':
            if (H == 200 && W == 200) {
                exist = false;
            }
            break;
        case 'pixhost.to':
            if (H == 126 && W == 257) {
                exist = false;
            }
            break;
        case 'pixroute.com':
            if (H == 337 && W == 350) {
                exist = false;
            }
            break;
        case 'imagevenue.com':
            if (H == 150 && (W == 150 || W == 180)) {
                exist = false;
            }
            break;
        case 'imgclick.com':
            if (H == 70 && W == 362) {
                exist = false;
            }
            break;
        case 'imgur.com':
            if (H == 81 && W == 161) {
                exist = false;
            }
            break;
        case 'fastpic.org':
        case 'fastpic.ru':
            if (H == 113 && W == 150) {
                exist = false;
            }
            else if (H == 150 && W == 150) {
                exist = false;
            }
            break;          
    } 
    return exist
}