[英]Form submit with 'return false' reloads current page
I have been trying to fix this code for hours, and I still cannot make it work. 我已经尝试了几个小时来修复此代码,但仍然无法使其正常工作。
This is rather basic: 这是很基本的:
I am building an hybrid iOS app, and there is an area which requires the user to log into our system, and I use Hammer.js to handle touch events. 我正在构建一个混合的iOS应用程序,并且有一个区域需要用户登录到我们的系统,并且我使用Hammer.js来处理触摸事件。
So, on the page, I have a form and a submit button. 因此,在页面上,我有一个表单和一个提交按钮。 And in my JS app file, there is the ajax requests to my server to check credentials. 在我的JS应用程序文件中,有向我的服务器发送的ajax请求来检查凭据。
Though, it doesn't work: my form keeps reloading the page, whatever I do. 不过,它不起作用:无论我做什么,我的表单都会不断重新加载页面。 And as it refreshes the window, my ajax request doesn't get any chance to work. 在刷新窗口时,我的ajax请求没有任何工作机会。
Here is the HTML form: 这是HTML表单:
<div class="login-form-parent">
<div class="login-form">
<section>
<h2>Sign in to GraphiX Studios CPM</h2>
<form name="loginForm" id="login" method="post" submit="#" >
<fieldset>
<input type="text" name="login" id="loginEmail" placeholder="Username" autocapitalize="false" autocorrect="false" >
<input type="password" name="password" id="loginPass" placeholder="••••" >
<aside>
<label for="rememberLogin">Remember me</label>
<input type="checkbox" name="rememberLogin" id="rememberLogin" >
</aside>
<footer>
<input type="submit" name="submit" id="submitLogin" value="Login" >
</footer>
</fieldset>
</form>
</section>
</div>
</div>
The two <div>
, the <aside>
, <section>
and <footer>
tags are only here for styling purposes. 这两个<div>
, <aside>
, <section>
和<footer>
标签仅在此处用于样式目的。
And here is the JS code: 这是JS代码:
var loginEl = document.getElementById('submitLogin');
Hammer(loginEl, {tap_max_touchtime: 1000}).on("tap", loginFunctions);
function loginFunctions() {
var usernameValidation = $("input#loginEmail").val();
if (usernameValidation == "") {
$("#login_error").show();
$("input#login").focus();
return false;
}
var passwordValidation = $("input#loginPass").val();
if (passwordValidation == "") {
$("#password_error").show();
$("input#password").focus();
return false;
}
if (usernameValidation != "" && passwordValidation != "") {
$.submit(function() {
var username = $('#loginEmail').val();
var password = $('#loginPass').val();
$.ajax({
url: 'loginProcessing.php',
type: 'POST',
data: {
user: username,
pass: password
},
success: function(response) {
if(response == '1') {
// Success
alert('Success');
} else {
// Error
alert('Failed');
}
}
});
return false;
});
}
return false;
}
I can't debug that on my own: I've been trying for hours different solutions and I've already searched among Google and Stack Overflow resources. 我不能自己调试它:我已经尝试了数小时的不同解决方案,并且已经在Google和Stack Overflow资源中进行搜索。
Feel free to clean up or improve the JS code. 随时清理或改进JS代码。
try using: 尝试使用:
event.preventDefault();
instead of return false, in the start of your $.submit function 在$ .submit函数的开始而不是返回false
将<input type="submit" name="submit" id="submitLogin" value="Login" >
的<input type="button" name="submit" id="submitLogin" value="Login" >
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