[英]How to get a button to perform a function when it has been clicked
我在下面有一个按钮:
<p><button id='submitstudents'>Submit Students</button></p>
我想要按钮执行的操作是触发editvalidation()
函数,如果传递了该函数,则继续进行确认。 我已经为验证设置了jquery代码,用于显示验证是否通过验证的确认,但是当单击editvalidation()
如何获得返回return editvalidation()
按钮?
以下是相关的jQuery代码:
editvalidation():
function editvalidation()
{
if ($("#coursesDrop").val()==""){
$("#courseAlert").html("Please Select a Course from the Course Drop Down Menu");
}
if ($("#coursesDrop").val()!="" && $("#courseadd").children().length==0){
$("#courseAlert").html("You have not Selected any Students you wish to Add into Course");
}
if ($("#coursesDrop").val()!="" && $("#courseadd").children().length!=0){
return true;
}
return false;
}
showConfirm():
function showConfirm(){
var courseNoInput = document.getElementById('currentCourse').value;
var courseNameInput = document.getElementById('currentCourseName').value;
if (editvalidation()) {
var confirmMsg=confirm("Are you sure you want to add your selected Students to this Course:" + "\n" + "Course: " + courseNoInput + " - " + courseNameInput);
if (confirmMsg==true)
{
submitform();
}
}
}
当前甚至要检查单击按钮:
$('body').on('click', '#submitstudents', showConfirm);
你有没有尝试过
$('#submitstudents').on('click', function(){ if(editvalidation()) showConfirm(); });
?
尝试这个:
$('#submitstudents').click(function(){
if(editvalidation())
showConfirm();
});
我以前遇到过 该代码始终有效:
$('#submitstudents').live('click', function(){
...do what ever you want...
});
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.