jQuery examples

example.js

  var savehelp = {
		init: function() {
			$('.save-help').on('click', function(e){
				e.preventDefault();
				var $this = $(this);
				var id = $this.closest('tr').find('textarea').attr('id');
				var text = $this.closest('tr').find('textarea').attr('value');
				
				console.log( { id: id, text: text } );

				$.ajax({
					url: base_url + '/admin/settings/savehelp',
					data: { id: id, text: text },
					type: "POST",
					success: function(data) {
						
						console.log(data);

						if(data == 'error')
						{
							$this.after('<div class="error">Error</div>');
						}
						else
						{
							$this.after('<div class="success">Success</div>');		
						}						
					}
				})
			});
		}
	}

	savehelp.init();
---
	public function post_savehelp()
	{
		if( Request::ajax() )
		{
			$affected = DB::table('help')
				->where('id', '=', Input::get('id'))
				->update( array('text' => Input::get('text')) );

			if($affected == 0)
			{
				echo 'error';
			}
			else
			{
				echo 'ok';
			}
		}
	}