jQuery(document).ready(function(){ var arr = [ "earth", "mars", "jupiter", "saturn", "venus" ]; var obj = { one:"earth", two:"mars", three:"jupiter", four:"saturn", five:"venus" }; jQuery.each(arr, function(i, val) { $("#arrData").append(i + " : " + val + "<br/>"); }); jQuery.each(obj, function(i, val) { $("#objData").append(i + " => " + val + "<br/>"); }); });