keypress() Method - Javascript jQuery Method and Property

Javascript examples for jQuery Method and Property:keypress

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Description

The keypress() method triggers the keypress event, or sets function as keypress event handler.

Syntax 

$(selector).keypress(function);
Parameter Require Description
function Optional. function to run when the keypress event is triggered

The following code shows how to Count the number of key presses in an <input> field:

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
i = 0;/*from w  w w  .j a  v a2 s  .  c  o m*/
$(document).ready(function(){
    $("input").keypress(function(){
        $("span").text(i += 1);
    });
});
</script>
</head>
<body>

Enter your name: <input type="text">

<p>Keypresses: <span>0</span></p>

</body>
</html>

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