October 31, 2011 

View Unique Images Bookmarklet

I was getting tired of opening a ton of tabs to view images in a gallery so I made a small bookmarklet to handle it for me. This little bit of code will grab all of the unique image links from a page and open them as images in a new window (BMP, JPG, JPEG, PNG, GIF).

View Unique Images

Here’s the source if you feel inclined to chop it up:

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javascript:(function() {
    var al = document.links;
    var ol = new Array();
    function in_array(n, h)
        {
        var i = h.length;
        while(i--)
            {
            if(h[i] === n)
                {
                return true;
                }
            }
        return false;
        }
    function gl(a)
        {
        for(l in a)
            {
            u = a[l].href;
            if(u !== undefined && u != '')
                {
                uq = u.split('?');
                if(uq.length > 1)
                    {
                    u = uq[0];
                    }
                if(u.search('/.'))
                    {
                    ua = u.split('.');
                    switch(ua[(ua.length-1)])
                        {
                        case 'bmp':
                        case 'jpg':
                        case 'jpeg':
                        case 'png':
                        case 'gif':
                            if(!in_array(u, ol)) ol.push(u);
                            break
                        }
                    }
                }
            }
        }
    function ow(t)
        {
        w=window.open();
        w.document.write(t);
        w.focus();
        }
    function s()
        {
        gl(al);
        t = '';
        if(ol.length > 0)
            {
            for(i in ol) t += '<div style="clear:both;margin:20px auto;width:100%"><img src="'+ol[i]+'" style="height:auto;clear:both;display:block;margin:0 auto;max-width:100%;" /></div><hr />';
            ow(t);
            }
        else
            {
            alert("No suitable image links were found.");
            }
        }
    s();
})()

Let me know in the comments if you find this bookmarklet useful!

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