loop through object jquery

var arr = ['one','two','three','four','five'];
$.each(arr, function(index, value){
	console.log('The value at arr[' + index + '] is: ' + value);
});$( "li" ).each(function( index ) {
  console.log( index + ": " + $( this ).text() );
});
$.each(largeJSONobject.ReleatedDoc, function (index,value) {
    $('select.mrdDisplayBox').addOption(value.Id, value.Id + ' - ' + value.Number, false);
});$.each(myObject, function(key,valueObj){
    alert(key + "/" + valueObj );
});