How to prevent form submission of data in jQuery

The jQuery method to prohibit form form submission of data: first use JS to write a function to return false; then use the onsubmit event in the from form tag; finally use the submit function to control the form submission event.

The operating environment of this tutorial: Windows 7 system, jquery version 3.2.1. This method is suitable for all brands of computers.

How jQuery prohibits form submission of data:

1. For example, the default action of this form is

##, then it will arrive after submission

## (example).

#2. If form submission is disabled, no matter how you press the submit button, it will not jump.

#3. If the form can submit data, then the browser's address will change, so there is only so much you need to know about the form.

#4. Then use JS to write a function to return false. Of course, you have to add the judgment conditions of the form yourself. Here I will just return false.

#5. Then use the onsubmit event in the from form tag to set whether the form can be submitted.

#6. It is very simple to disable form submission with jQuery. You can use the submit function to control the form submission event (note that you need to obtain the form so that submit can produce effects). You can also return false. Similarly, you still need to design the judgment conditions of the form yourself.

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