jQuery keypress()

The jQuery keypress() method is used to attach a function to run when a keypress event occurs i.e., when a keyboard button is pressed down.

Syntax:

To trigger the keypress event for selected elements.

$(selector).keypress()

To add a function to the keypress event.

$(selector).keypress(function)

Function:

  • It is an optional parameter.
  • The function parameter specifies the function to run when the event occurs.

Example:

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
i = 0;
$(document).ready(function(){
$("input").keypress(function(){
$("span").text (i += 1);
});
});
</script>
</head>
<body>
Write something: <input type="text">
<p>Key presses: <span>0</span></p>
</body>
</html>