page length in datatable code example

Example 1: jquery for table Show entries

$(document).ready(function() {
    $('#example').DataTable( {
        "lengthMenu": [[10, 25, 50, -1], [10, 25, 50, "All"]]
    } );
} );

Example 2: datatable lengthmenu

lengthMenu: [[10, 25, 50, 100, -1], [10, 25, 50, 100, "All"]],