html - Web Proyect, need some jquery and paths -


i got problem, im trying add background-image maindiv, code doesnt work.

    $("#exd2").click(function(){      $(".maindiv").css({"background":"url('../../img/backs/steel.png')"});     });

folders -js: home: jsfile -img: backs -css: cssfile html files

i think path of url, can me?


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