jQuery implements the method of counting the number of input words
- 2020-05-12 02:14:13
- OfStack
The example of this paper describes the method of jQuery to calculate the number of input words. Share with you for your reference. The details are as follows:
jQuery statistics input text number can be used in statistics reply word length, title word length prompt, increase the friendliness to improve the user experience. The code is as follows:
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jQuery Number of words </title>
<script type="text/javascript" src="js/jquery.js"></script>
</head>
<body>
<ul>
<li>
<span> News headlines :</span>
<span><input id="news_title" name="news_title" type="text" size="60" onkeyup="title_len();" onclick="title_len();" maxlength="80"/>
<span id="titlelen">0/80</span>
</li>
</ul>
</body>
<script language="javascript" type="text/javascript">
function title_len(){
var value = $('#news_title').val().length;
if(value == 80){
var string = "<span style=\"color:#FF0000\">"+value+"/80</span>";
}else{
var string = "<span style=\"color:#FF0000\">"+value+"</span>/80";
}
$('#titlelen').html(string);
}
</script>
</html>
I hope this article has been helpful to your jQuery programming.