how to do for in jquery code example

Example 1: jquery loop through array

var arr = ['one','two','three','four','five'];
$.each(arr, function(index, value){
	console.log('The value at arr[' + index + '] is: ' + value);
});

Example 2: jquery each

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

Example 3: jquery loop over elements

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

Example 4: jquery each

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

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

Example 5: 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){
    }
 });