Javascript 从未调用jQuery自定义验证方法
我有一些类似的HTML和JavaScript:Javascript 从未调用jQuery自定义验证方法,javascript,jquery,Javascript,Jquery,我有一些类似的HTML和JavaScript: <html> <head> <title>Validation Test</title> <script src="https://code.jquery.com/jquery-3.4.1.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validat
<html>
<head>
<title>Validation Test</title>
<script src="https://code.jquery.com/jquery-3.4.1.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validate/1.19.1/jquery.validate.min.js"></script>
</head>
<body>
<form id="myform">
<input id="TotalHours" type="text" value="24"/> is the total number of hours!
<input id="day" class="input" type="text"/> is the number of hours of daylight!
<input id="night" class="input" type="text"/> is the number of hours of darkness!
<script>
validationRules = {
TotalHours: {
TotalHoursMatch: true
}
};
$.validator.addMethod("TotalHoursMatch", function(value, element) {
// find total hours
var reportedTotalHours = parseFloat($("#TotalHours").text());
var totalHours = 0;
$('input.input').each(function(i, sel) {
var hours = $(sel).find(":selected").text();
var f = parseFloat(hours);
if (f != 0 && !Number.isNaN(f))
totalHours += f;
});
// validate that hours are within a quarter hour of each other
var difference = Math.abs(totalHours - reportedTotalHours);
return difference < 0.25;
}, "Total of hours for daylight and darkness must match total hours in a day.");
function doSubmit()
{
$('form').validate({rules: validationRules});
if (!$('form').valid())
alert('bad!');
else
alert('ok');
}
</script>
<button onclick="doSubmit();">submit</button>
</form>
</body>
</html>
验证试验
是总小时数!
是白天的小时数!
是黑暗的小时数!
验证规则={
总小时数:{
TotalHoursMatch:正确
}
};
$.validator.addMethod(“TotalHoursMatch”,函数(值,元素){
//查找总小时数
var reportedTotalHours=parseFloat($(“#TotalHours”).text();
var totalHours=0;
$('input.input')。每个(函数(i,sel){
var hours=$(sel.find(“:selected”).text();
var f=浮动(小时);
如果(f!=0&&!Number.isNaN(f))
总小时数+=f;
});
//确认时间间隔在一刻钟以内
var差异=数学.abs(总小时数-报告的总小时数);
返回差<0.25;
},“白天和黑夜的总小时数必须与一天的总小时数相匹配。”);
函数doSubmit()
{
$('form').validate({rules:validationRules});
if(!$('form').valid()
警惕(“坏!”);
其他的
警报(“正常”);
}
提交
现在,由于某种原因,当我去验证表单时,从未调用自定义验证方法,即使我认为它设置正确。因此,始终显示“ok”;验证从未失败,因为未调用进行验证的方法。为什么会这样?连接验证时我遗漏了什么?我找到了答案:我需要在第一个输入字段上设置一个
name=“TotalHours”
;id
不够