how to iterate through object in jquery code example

Example 1: jquery loop over elements

$( "li" ).each(function( index ) {
  console.log( index + ": " + $( this ).text() );
});

Example 2: for each jquery

$('.testimonial').each(function(){
    //if statement here 
    // use $(this) to reference the current div in the loop
    //you can try something like...
    if(condition){
    }
 });

Example 3: jquery each array object

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