jquery实现Ctrl+Enter提交表单的方法

本文实例讲述了jquery实现Ctrl+Enter提交表单的方法。分享给大家供大家参考。具体如下：

<!DOCTYPE HTML>

<html>

<head>

<meta http-equiv="content-type" content="text/html; charset=utf-8">

<title>Text Box Enter</title>

<style type="text/css" media="screen">

body {

font: 16px/1.5 helvetica-neue, helvetica, arial, san-serif;

}

textarea {

border: 1px solid #ccc;

display: block;

width: 250px;

height: 100px;

}

p {

border: 1px solid #ccc;

background: #ececec;

padding: 10px;

margin: 10px 0;

width: 230px;

}

button {

border: 1px solid #ccc;

background: #ececec;

-webkit-border-radius: 3px;

-moz-border-radius: 3px;

margin-top: 10px;

padding: 5px 20px;

}

</style>

</head>

<body>

<textarea name="msg" id="msg" placeholder="Your Message" autofocus="true"></textarea>

<button type="submit">Post</button>

<script type="text/javascript" charset="utf-8" src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>

<script type="text/javascript" charset="utf-8">

$.fn.ctrlEnter = function (btns, fn) {

var thiz = $(this);

btns = $(btns);

function performAction (e) {

fn.call(thiz, e);

};

thiz.bind("keydown", function (e) {

if (e.keyCode === 13 && e.ctrlKey) {

performAction(e);

e.preventDefault();

}

});

btns.bind("click", performAction);

}

$("#msg").ctrlEnter("button", function () {

$("<p class='post'></p>").append(this.val().replace(/n/g, "<br/>")).fadeIn('slow').prependTo(document.body);

this.val("");

});

</script>

</body>

</html>

希望本文所述对大家的jquery程序设计有所帮助。