jQuery keypress() Method - CodingTag
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jQuery keypress()

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  • This jQuery function is worked when the keypress event occurs or it binds a function to run when a keypress event occurs.
  • A keypress event happens by pressing a keyboard key like keydown() method but it will not work for keys. For example: it will not work on the pressing of ALT, CTRL, SHIFT, and ESC keys.
  • There are two other events are present in jQuery that are related to keypress event.

1 keydown: This event happens when a keyboard key is on its way down.

2 keyup: This event happens when a keyboard key is released.


Related Topic:

jQuery focus
jQuery blur

jQuery keypress

Syntax:

$(selector).keypress() ;

or

If you want to trigger a function in it, the syntax will be:

$(selector).keypress(function);

Parameter description:

  • function: It represents the function to run when the keypress event is triggered. It is optional.

Example:

In this example, we return the input field value and its length after pressing a single key.

<html>
<head>
<title> jQuery Example </title>
<script type = "text/javascript"
src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js">
</script>
<script>
i = 0;
$(document).ready(function(){
$(".name").keypress(function(){
$(this).css("background-color", "pink");
$(".st1").html($(this).val());
$(".st2").text(i += 1);
});

});
</script>
</head>
<body>

<h2> jQuery Keypress Event Example </h2>
Name: <input class="name" type="text" name="fullname"><br>
<strong class="st1"></strong><br>
Length: <strong class="st2">0</strong>
</body>
</html>

Output:

After, enter a name,



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