[英]generate random value for hidden input field
is it possible to generate a random value (number, symbols, letters) for an input field (preferably hidden) on click? 点击时是否可以为输入字段(最好是隐藏的)生成随机值(数字,符号,字母)? I need to come up with an idea to simulate somewhat of a conformation number.
我需要提出一个想法,以模拟某种构象数。 Unfortunately I cant save the values into a db.
不幸的是,我无法将值保存到数据库中。
I thought of something like: input before: <input id="randomizeme" value=""/>
我想到的是这样的:输入之前:
<input id="randomizeme" value=""/>
javascript or jquery solution: javascript或jquery解决方案:
var randomtext=$('#randomizeme').attr('value');
anybutton.click(){
randomtext="some numbers randomly scrambled together";
}
input output: 输入输出:
<input id="randomizeme" value="some numbers randomly scrambled together"/>
this is probably all garbage but i hope it helps, as for the tags im not sure either 这可能全是垃圾,但我希望对您有所帮助,至于标签我也不确定
Something like: 就像是:
<html>
<head>
<title>S.O. 4169522</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
<script type="text/javascript">
var gRandLength = 7;
$(document).ready(function() {
$('#button').click(function() {
var num = Math.floor(1 + (Math.random() * Math.pow(10, gRandLength)));
$('#input').val(num);
});
});
</script>
</head>
<body onload='onload()'>
<form>
<input type="text" value="" id="input" />
<input type="button" id="button" value="Generate"/>
<form>
</body>
</html>
Sample Output: 样本输出:
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