<!DOCTYPE html>
<html>
<head>
<title>Clipboard Paste Text</title>
<script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/jqueryui/1.10.3/jquery-ui.min.js"></script>
</head>
<body>
<input type="text" placeholder="paste in here" />
<script type="text/javascript">
/* <![CDATA[ */
$(document, 'input[type="text"]').on('paste', function(event) {
var oEvent = event.originalEvent;
oEvent.preventDefault();
var clipText = '';
if(window.clipboardData){
clipText = window.clipboardData.getData('Text');
}else if(typeof oEvent == 'object' && oEvent.clipboardData){
clipText = oEvent.clipboardData.getData('text/plain');
}
// console.log('Pasted ' + clipText.length + ' characters.');
alert('Pasted ' + clipText.length + ' characters.');
});
/* ]]> */
</script>
</body>
</html>
^ 我有这样的演示代码.它结合了paste event上 …