jquery on pressed enter in input code example

Example 1: enter event in jquery

$('#textbox').keypress(function(event){
	var keycode = (event.keyCode ? event.keyCode : event.which);
	if(keycode == '13'){
		alert('You pressed a "enter" key in textbox');
	}
});

Example 2: how to send enter event to input field jquery

var e = jQuery.Event("keydown");
e.which = 13; //choose the one you want
e.keyCode = 13;
$("#theInputToTest").trigger(e);