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It is better to restrict the user from entering invalid input and submit the form.
If the inputted data is invalid then the request is not been executed on the server-side script if added validation and the user needs to again fill the details.
If a field does not require a specific type value like – number, character, special character then stop the user from entering.
In this tutorial, I show how you can restrict keyboard character input with jQuery and JavaScript.
When an AJAX request is sent to fetch records from the server then it may take time depending on the data processing or the number of records.
If the AJAX request takes more time then at the Client-side there is no visible change is been displayed and the user doesn’t know whether its request is in progress or not.
You can display a loading image or text message on the page when the AJAX request is in progress and hide it after getting a response.
In the demonstration, I am displaying a loading image when sending an AJAX request.
With jQuery UI it is easier to add Datepicker on the textbox element or in any other HTML elements.
If you like to restrict access of users to select a date within a range then there is minDate and maxDate options are available in jQuery UI.
Using this you can set the date range of the Datepicker.
After defining these options the other days will be disabled which are not in a defined range.
In this tutorial, I show you how to use both options in jQuery UI Datepicker to restrict the date range.
You have seen on many Mobile apps when you pull down from the top and release it the content is been refreshed.
The common example of this you see in Chrome, Opera mini browser for mobile.
In this tutorial, I show how you can add a similar type of functionality to your web page in desktop view.
I will create two examples,
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