create a bookmarklet to extract iata airports

world-airport.js

//window.location.href='http://www.world-airport-codes.com/alphabetical/city-name/b.html'

var all=$('.table-link');

all=all.filter(function(i,e){
    return $('td:nth-child(4)',e).text()
});

all=all.map(function(i,e){
    return {
        'Airport':$(':nth-child(1)',e).first().text(),
        'City':$(':nth-child(2)',e).first().text(),
        'Country':$(':nth-child(3)',e).first().text(),
        'IATA':$(':nth-child(4)',e).first().text()        
        };
});
all=all.toArray();
$('body').html('<pre>'+JSON.stringify(all,4,4)+'</pre>');