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37 lines
2.2 KiB
37 lines
2.2 KiB
1 year ago
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---
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---
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## Frequently Asked Questions
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#### Does jQuery Form Plugin have any dependencies?
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The only dependency is jQuery itself.
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#### Which versions of jQuery is jQuery Form Plugin compatible with?
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jQuery Form Plugin is compatible with jQuery v1.7.2 and later, including jQuery 2.x.x and 3.x.x.
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#### Is jQuery Form Plugin fast? Does it serialize forms accurately?
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Yes! See our [comparison page](http://malsup.com/jquery/form/comp/) for a look at how jQuery Form Plugin compares to other libraries (including Prototype and dojo).
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#### What is the easiet way to use jQuery Form Plugin?
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The `ajaxForm` method provides the simplest way to enable your HTML form to use AJAX. It's the one-stop-shopping method for preparing forms.
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#### What is the difference between `ajaxForm` and `ajaxSubmit`?
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There are two main differences between these methods:
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1. `ajaxSubmit` submits the form, `ajaxForm` does not. When you invoke `ajaxSubmit` it immediately serializes the form data and sends it to the server. When you invoke `ajaxForm` it adds the necessary event listeners to the form so that it can detect when the form is submitted by the user. When this occurs `ajaxSubmit` is called for you.
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2. When using `ajaxForm` the submitted data will include the name and value of the submitting element (or its click coordinates if the submitting element is an image).
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#### How can I cancel a form submit?
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You can prevent a form from being submitted by adding a 'beforeSubmit' callback function and returning false from that function. See the [Code Samples](http://malsup.com/jquery/form/#ajaxForm) page for an example.
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#### Is there a unit test suite for jQuery Form Plugin?
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Yes! jQuery Form Plugin has an extensive set of tests that are used to validate its functionality.
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[Run unit tests](http://malsup.com/jquery/form/test/)
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#### Does jQuery Form Plugin support file uploads?
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Yes!
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#### Why aren't all my input values posted?
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jQuery Form serialization adheres closely to the HTML spec. Only [successful controls](https://www.w3.org/TR/html5/forms.html#constructing-form-data-set) are valid for submission.
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#### How do I display upload progress information?
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[Demo](view-source:malsup.com/jquery/form/progress.html)
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