Write your own selectors #jQuery

Asset.js

//extend the jQuery functionality
$.extend($.expr[':'], {
 
    //name of your special selector
    moreThanAThousand : function (a){
        //Matching element
        return parseInt($(a).html()) > 1000;
    }
});
 
$(document).ready(function() {
    $('td:moreThanAThousand').css('background-color', '#ff0000');
});