set value to tag input in jquery code example

Example 1: jquery change value of input

$('selector').val('new value');

Example 2: assign input text value jquery

<?= $this->Form->input('number_six', array(
     'label' => false,
     'class' => 'form-control number_six',
     'maxlength' => "1" ,
     'oninput' => "this.value=this.value.replace(/[^0-9]/g,'');"
   ));?>

$(".number_six").val("");

Example 3: javascript change input value jquery

$('#IdOfTheField').on('change', function() {
  alert( this.value );
});