Use image to submit form and don't want to use button to submit form_HTML/Xhtml_Web page production

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The code is as follows:

I don’t want to use a button to submit the form, I want to use a good-looking image to submit it

That way it will be submitted twice, the input itself is submitted once, and the js script is submitted again
Use images as submissions There are several methods for buttons:
1.

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The code is as follows:

As written by the original poster himself, this is completely ok
2.

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The code is as follows:

<script> <br>function formsubmit(){ <br>document.formtest.action="formtest.jsp"; <br>document. formtest.submit(); <br>} <br></script>

This method is often used in hybrid programming. For example, the parameters you want to submit change as the dynamically retrieved content changes.