Can't replace submit button with JQuery - javascript

I'm trying to do my first tests usign JQuery and it seems to be more difficult than what I expected.
I have a simple form calling some long operations. What I want is to display a progress bar during the loading. What I try to do in the following code is to replace the submit button with a progress bar when the user submits the form. The next page taking time to load, he will see a nice animation making him wait.
<html>
<head>
<title>Test form</title>
</head>
<body>
<form id="myCuteLittleForm"><input type="submit" id="submit"/></form>
<br />
<script src="http://code.jquery.com/jquery-1.9.1.js">
$(document).ready(function() {
$('#myCuteLittleForm').submit(function() {
$("#submit").replaceWith('<progress value="" max="">Import en cours.</progress>');
});
});
</script>
</body>
</html>
However, to my great distress, it doesn't work. Am I just doing bad jquery or is there a fundamental incomprehension ?

Do it in other script tag:
<script type="text/javascript" src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$('#myCuteLittleForm').submit(function() {
$("#submit").replaceWith('<progress value="" max="">Import en cours.</progress>');
});
};
</script>

Related

onclick to redirect to next page not working in phonegap

<html>
<head>
<title>Quiz Application</title>
<script type="text/javascript" charset="utf-8" src="cordova-1.9.0.js"></script>
<script type="text/javascript" charset="utf-8">
function ready()
{
if(document.getElementById("rb2").checked)
{
alert("correct");
}else if(document.getElementById("rb1").checked)
{
alert("incorrect");
}
else
{
alert("incorrect");
}
}
function nextPage()
{
window.location = "next.html";
}
</script>
</head>
<body>
<form method="post">
<center><h1>Quiz Application</h1></center><br><br>
<center>What does JVM stands for ?<br><br>
<radiogroup>
<input type="radio" id="rb1"/>Java Vendor Machine<br>
<input type="radio" id="rb2"/>Java Virtual Machine<br>
<input type="radio" id="rb3"/>Java Viral Machine<br>
<input type="submit" id="sub" value="Freeze" onclick="ready();"/><br>
<input type="submit" id="next" value="Next Question" onclick="nextPage();"/></center>
</radiogroup>
</form>
</body>
</html>
Above is my code for redirecting my page to next page after click event.
But it is not redirecting to next page.I went through many questions on stackoverflow as well but didnt succeed.
Please help me .
Thanks in advance.
What are you doing there? If you're doing it with jQuery mobile an example would look like this:
<html>
<head>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="css/stylesheet.css">
<script type="text/javascript" src="js/jquery-2.1.4.min.js"></script>
<script type="text/javascript" src="js/jquery.mobile-1.4.5.min.js"> </script>
</head>
<body>
<div data-role="page" id="page1">
<p>This is page 1. If you want to go to Page 2 click here.
</div>
<div data-role="page" id="page2">
<p>This is page 2. If you want to go back to Page 1 click here.
</div>
</body>
</html>
Changing a page by function could look like this:
function changePage() {
$.mobile.changePage( "#loginPAGE", { transition: "none", changeHash: true });
}
Here's a pen: http://codepen.io/anon/pen/gaeoQE
Frameworks - Mobile App Development
So like i said in my comment, i would recommend you to use a framework. Since i don't know, how conversant you're in JavaScript and anything else i think you should start with jQuery. For mobile App development it's not one of the best frameworks in my opinion but it's easy to learn and thats important for you to start.
So jQuery is a thing for your website. For your mobile application you need jQuery mobile.
You go to that websites and download both. When your download is finished, you're going to open up your index.html and add the scripts to your <head></head> section so that it looks like the following:
<link rel="stylesheet" href="http://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.css" />
<script src="http://code.jquery.com/jquery-2.1.4.min.js"></script>
<script src="http://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.js"></script>
These things are important. Also the order in which you include the scripts is important.
After adding this to your header, you're able to access a whole bunch of functions. All of the features are testable inside a demo environment which can be found over here: jQuery mobile Demos (1.4.5).
When you have finished that, you're going to copy my code from my pen into your <body></body> and it should work. For changing a page via javascript you can use the function changePage() which i've already posted before.
I hope this will help you, if not please let me know where exactly i can help you.
I found out the solution for my query . i just wrote the following function onClick of a button (input type should be button and not submit then only it will work)
function nextPage()
{
document.location="nextpage.html"; //instead of window.location
}

jQuery.validationEngine reference error?

Everything seems to be referenced correctly however I can't get it to work properly. Strangely it worked once but took 10 seconds before the validation message popped up, didn't change anything and tried again but stop working. The only warning i have is event.returnValue is deprecated. Please use the standard event.preventDefault() instead. in the jQuery library.
<html>
<head>
<link rel="stylesheet" href="jQuery-Validation-Engine-master/css/validationEngine.jquery.css" type="text/css"/>
</head>
<body>
<form id="formID">
<input class="validate[required]" type="text" id="agree" name="agree"/>
</form>
<script src='js/jquery-1.10.2.min.js'></script>
<script src="jQuery-Validation-Engine-master/js/languages/jquery.validationEngine-en.js" type="text/javascript" charset="utf-8"></script>
<script src="jQuery-Validation-Engine-master/js/jquery.validationEngine.js" type="text/javascript" charset="utf-8"></script>
<script>
$(document).ready(function(){
$("#formID").validationEngine();
});
</script>
</body>
If there is nothing wrong with the above then it may be something else in my project interfering, but any help would be appreciated.
What is happening, probably, is at the time jQuery is loaded your plugin(s) aren't yet loaded so when you call the validationEngine() method, it's not yet defined. I recommend loading your scripts synchronously with Modernizr and call that method once both scripts have loaded.
If you stick with the Modernizr way all you need to do is include your minimized version of Modernizr in the head and call your scripts like below.
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>Your Document</title>
<!--
following script loads first. nevermind the version, I copied it from a script of mine
-->
<script type="text/javascript" src="js/modernizr.2.6.2.min.js"></script>
</head>
<body>
<form id="formID">
<!-- etc -->
</form>
<script type="text/javascript">
Modernizr.load([
{
// following loads next
load: 'http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js',
complete: function() {
if (!window.jQuery) Modernizr.load('js/jquery-1.10.2.min.js');
// this is your local copy of jQuery, in case you might need a fallback
}
},{
// finally the remaining scripts load
load:[
'jQuery-Validation-Engine-master/js/languages/jquery.validationEngine-en.js',
'jQuery-Validation-Engine-master/js/jquery.validationEngine.js'
],
complete: function() {
// all is loaded. do what you want here.
$("#formID").validationEngine();
}
}]);
</script>
</body>
</html>
In my case as I mentioned above updating to jQuery lib 1.11.0 rid the warning for me. (latest chrome)
Here is how I ended up using the validationEngine if interested:
<form id="formID" />
<button type="submit" value="Save" id="Save" onclick="clicked(event);">Submit Survey</button>
function clicked (e)
{
if (confirm('Are you sure you want to submit?'))
{
if ($("#formID").validationEngine('validate'))
{
my.LocalStorage.save();
}
}
e.preventDefault();
}

How to create a temporarily text box

i'm making a website where the background will be a large photo (interior design company) so the picture is very important. That's why i've been trying to make a temporarily text box so that people that come on the homepage will see a temporarily welcome message or such but i don't really know how to start or what language I should use in order to this.
I hope anyone can help me to get started. Or where/what i need to search
Thanks in advance
Simple using the alert method.Example:
<html>
<head>
<script type="text/javascript">
function display_alert()
{
alert("Welcome to the site!");
}
display_alert();
</script>
</head>
<body>
</body>
</html>
Or using jquery's hide method.
Example:
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("input").click(function() {
$(this).hide();
});
});
</script>
</head>
<body>
<input value="Welcome to the Site!">
</body>
</html>

JQuery click function not getting called

I have a simple page for testing with only a button, I am linking to an external js file. It is displaying the jquery version in a alert box, but when the button is clicked nothing happens. What is wrong with this?
Here is my simple test html page
<title>Insert title here</title>
<!-- scripts -->
<script language="JavaScript" type="text/javascript" src="jquery.js"></script>
<script language="JavaScript" type="text/javascript" src="myscript.js"></script>
</head>
<body>
<form>
<input type="button" tabindex="5" value="jscript" id="testbutton" />
</form>
</body>
and here is my myscript file content
alert($.fn.jquery);
$('#testbutton').click(function(){
alert("test successful");
});
I am using JQuery version 1.6
Probably because the DOM is not ready for JavaScript processing at the time of bindiing the click handler. Try:
$(document).ready(function() {
$('#testbutton').click(function(){
alert("test successful");
});
});
You need a document.ready:
$(document).ready(function(){
alert($.fn.jquery);
$('#testbutton').click(function(){
alert("test successful");
});
});
That's because your #testbutton can't be referenced until it's loaded
Hope this helps. Cheers

jQuery forms submit

I create this tiny JS so i can control the form submit with jQuery
$('#submit').click(function() {
$('#addForm').submit();
});
Can I use a simple href link for it?
Something like
link
I tried
link
but it didn't work (it by pass the other jQuery in the page)
If you want the JS that you created to control the submit, don't have a href value in your link:
<a id="submit">link</a>
You cannot submit your form that way with a link and some javaScript, even jQuery. You have to use an XHR call to submit your query AND not refresh the page. (you can submit your form with a link as presented by Dan, but I understand that you want to do more than just that from your questions)
The reason being that the "return false" statement will impact the link action, and not the form submission itself.
In any case, I would advise you to not use a link to submit your form at all.
You can easily submit a form with the normal submit button and a bit of jQuery. That way, you provide a nice fallback to your users that have not enabled javaScript.
You can even submit the form with some client side validation, using the following HTML / javaScript:
<!DOCTYPE html>
<html>
<head>
<title>Sample</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
$('#addForm').submit(function(){
validate();
ajax_submit_function_taking_form_data_as_argument($(this).serialize());
return false;
});
});
function validate(){
//Do some client side validation if required
}
function ajax_submit_function_taking_form_data_as_argument(theData){
$.ajax({
type: 'GET',
url: "http://search.google.com/",
data: theData,
error: function(e){
alert('error...');
},
success: function(data){
alert('success!');
}
});
}
</script>
<style type="text/css"></style>
</head>
<body>
<form id="addForm">
<input type="text" name="field1" value="" />
<input type="submit" value="submit" />
</form>
</body>
</html>
A last solution, albeit maybe too heavy weight for your use, would be to use the excellent jQuery form plugin from http://jquery.malsup.com/form/
I hope that helps!
You can attach to the click event with jquery. It's also cleaner not to put any javascript in your html.
<!DOCTYPE html>
<html>
<head>
<title>Sample</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
$('#aSubmit').click(function(){
$('#form1').submit();
return false;
});
});
</script>
<style type="text/css"></style>
</head>
<body>
<form id="form1" action="http://www.google.com/search" name=f>
<input name="q" />
</form>
submit
</body>
</html>
Never ever put JavaScript in the href attribute. If you must put in the HTML, use the onclick attribute, and remember to add return false. Also, never ever prefix script with javascript:.
Your first script block should do the job just as fine as well, though.
(And what does "it by pass the other jQuery in the page" mean?)

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