jQuery Api Keypress() Event Detect ENTER key pressed

Jquery keypress() event – how to use keypress event with html elements. We are going to show you with simple example how to use keypress event.

jQuery keypress()

The Jquery Keypress () event occurs when the keyboard button is pressed. This keypress event is similar to the keydown event (). The keypress() method is executed with functions, when a keypress() event occurs.

Syntax

$(selector).keypress() 

This triggers the keypress event for the selected elements.

$(selector).keypress(function)  

Parameters of jQuery keypress()

ParameterDescription
FunctionIt is an optional parameter. It is executed itself when the keypress event is triggered.

Examples of jQuery keypress()

Let’s see an example1 with demonstrate jQuery keypress().
<!DOCTYPE html>  
<html>  
<head>  
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
<script>  
i = 0;  
$(document).ready(function(){  
    $("input").keypress(function(){  
        $("span").text (i += 1);  
    });  
});  
</script>  
</head>  
<body>  
Enter something: <input type="text">  
<p>Keypresses val count: <span>0</span></p>  
</body>  
</html>  
Enter something:

Keypresses val count: 0

Let’s see an example 2 detect ENTER key pressed event

To check whether the user has pressed the ENTER key on the webpage or on an input element, you can tie a keyup or keydown event to that element or document object.

If the code of the key pressed code is 13 then the “ENTER” key was pressed; Otherwise some other key was pressed.

<html>
<head>
    <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
</head>
<body>
    <h1>Write something here &amp; press enter</h1>
    <label>TextBox Area: </label>
    <input id="someTextBox" type="text" size="100" />
    <script type="text/javascript">
        //Bind keypress event to textbox
        $('#someTextBox').keypress(function(event){
            var keycode = (event.keyCode ? event.keyCode : event.which);
            if(keycode == '13'){
                alert('You pressed a "enter" key in textbox'); 
            }
            event.stopPropagation();
        });
    </script>
</body>
</html>

Write something here & press enter

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