If the form is already submitted and the user tries to refresh the webpage then the browser will attempt to resubmit the form.
If you are allowing the user to fill and submit the form for insert data. In this case, if the user refreshes the page then the data is reinserted into the MySQL database table if some action does not perform for preventing it.
In this tutorial, I show you some ways by using which you can avoid the page resubmit.
Whenever there is a large list of records that you are displaying in the HTML table. In this case, it’s better to allow the users to search text within the table.
You can easily do this on your Client-side with jQuery.
For searching text within HTML table columns I am using .contains() method.
In jQuery, there are various methods like – switchClass(), toggleClass(), addClass() and removeClass() by using them you can easily add or removes classes in the elements.
For using switchClass() method you need to include jQuery UI library within your page but you can simply use toggleClass(), addClass() and removeClass() without any dependency other than jQuery.
In this tutorial, I discuss about addClass() and removeClass() method.
The data is not displayed in any particular order when you simply fetch it from the MySQL table. For displaying data in some meaningful way ORDER BY clause is used.
This sorts your result on the basis of the column name specified in the clause within the SELECT query.
It allows us to –
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