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jQWidgets is a software framework with widgets (graphical control elements), themes, input validation, drag & drop plug-in, data adapters, built-in WAI-ARIA accessibility, internationalization and MVVM support. It is built on the open standards and technologies HTML5, CSS, JavaScript and jQuery. [3]
In HTML, a file-select control is a component of a web form with which a user can select a local file. When the form is submitted (perhaps together with other form data), the file is uploaded to the web server. There, when the file arrives, some action usually takes place, such as saving the file on the web server.
The jQuery function is a factory for creating a jQuery object that represents one or more DOM nodes. jQuery objects have methods to manipulate these nodes. These methods (sometimes called commands) , are chainable as each method also returns a jQuery object.
jQuery (library) 3.6.0 3 Mar 2021: 70.7KB (slim, minified), 87.4KB (minified), [4] 282 KiB (uncompressed) [4] MIT: JavaScript jQWidgets: 3.9.1 29 Oct 2015: 3102 KB (minified), 7486 KB (uncompressed) Creative Commons Attribution-NonCommercial 3.0 and Commercial [5] JavaScript, HTML, CSS Knockout: 3.5.0 22 February 2019: 66.4 KB minified / 309 KB ...
Ext JS includes a set of GUI-based form controls (or "widgets") for use within web applications: text field and textarea input controls; date fields with a pop-up date-picker; numeric fields; list box and combo boxes; radio and checkbox controls; html editor control
Use a form to capture user input, and then process, verify and respond to that data without having to send data back to the server. Include rollover buttons or drop-down menus. A less common use is to create browser-based action games.
All other upload parameters are present in the form of <input type ... AJAX call cannot access file upload data). The second <form ... jQuery ajax wrapper $.ajax ...
The target PHP file then accesses the data passed by the form through PHP's $_POST or $_GET variables, depending on the value of the method attribute used in the form. Here is a basic form handler PHP script that will display the contents of the first_name input field on the page: form.html