$('document').ready(function() {

     */ where the p tag has a clsss /*
     $("p[class]").css("color",#f00);

     */ where p tag has a class or RedText /*
     $("p[class=RedText]").css("color",#f00);

     */ where the p tag has a clsss that starts with Red /*
     $("p[class^=Red]").css("color",#f00);

     */ where the p tag has that starts with Red and an id /*
     $("p[class^=Red][id]").css("color",#f00);

});