each loop only specific items jquery code example

Example 1: jquery each

//Array
$.each( arr, function( index, value ){
    sum += value;
});

//Object
$.each( obj, function( key, value ) {
    sum += value;
});

Example 2: jquery each array object

$.each(largeJSONobject.ReleatedDoc, function (index,value) {
    $('select.mrdDisplayBox').addOption(value.Id, value.Id + ' - ' + value.Number, false);
});