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Probably after the form is filled and sent it is redirecting to a specific page (thank you page) or else it's reload the page
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Probably after the form is filled and sent it is redirecting to a specific page (thank you page) or else it's reload the page

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Is there a reason you gave a 'B' grade?
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<div class="content wysiwyg-content">
I'm new to jQuery and need some help understanding what this line of code means, $('.redirect', response).attr('href'). What is '.redirect' ? <br />
<br />
&nbsp; &nbsp; $.post(form.attr('action')<wbr />, data, function (response) {<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if ($('.redirect', response).length) {<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if ($('.redirect', response).attr('href')) {<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; window.location.href = $('.redirect', response).attr('href');<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; } else {<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; window.location.reload();<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; } else {<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; loader.hide();<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; button.removeClass('disabl<wbr />ed');<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; message.html(response).sli<wbr />deDown(300<wbr />);<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; });
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I'm new to jQuery and need some help understanding what this line of code means, $('.redirect', response).attr('href'). What is '.redirect' ? 

    $.post(form.attr('action'), data, function (response) {
                if ($('.redirect', response).length) {
                    if ($('.redirect', response).attr('href')) {
                        window.location.href = $('.redirect', response).attr('href');
                    } else {
                        window.location.reload();
                    }
                } else {
                    loader.hide();
                    button.removeClass('disabled');
                    message.html(response).slideDown(300);
                }
            });

JQuery selector help

HTML (HyperText Markup Language) is the main markup language for creating web pages and other information to be displayed in a web browser, providing both the structure and content for what is sent from a web server through the use of tags. The current implementation of the HTML specification is HTML5.

HTML

jQuery (Core) is a cross-browser JavaScript library that provides abstractions for common client-side tasks such as Document Object Model (DOM) traversal, DOM manipulation, event handling, animation and Ajax. jQuery also provides a platform to create plugins that extend jQuery's capabilities beyond those already provided by the library.

jQuery

Asynchronous JavaScript and XML (AJAX) is a group of interrelated Web development techniques used on the client-side to create asynchronous Web applications. With AJAX, web applications can send data to and retrieve from a server asynchronously (in the background) without interfering with the display and behavior of the existing page. HTML and CSS can be used in combination to mark up and style information. The Document Object Model (DOM) is accessed with JavaScript to dynamically display and allow interaction with the information presented.

AJAX

JavaScript is a dynamic, object-based language commonly used for client-side scripting in web browsers. Recently, server side JavaScript frameworks have also emerged. JavaScript runs on nearly every operating system and  in almost every mainstream web browser.