submit button with no text or form name attribute

Question

could someone help me with this question?

in JavaScript, we can use "document.HELLO.submit();" submit a form if the form name is HELLO. but i meet a case there's a button on webpage (the button itself doesn't have any text), has no form name found.

in what way in JavaScript i can simulate the submit action to this button?

thanks.

Answer 1

采用

document.forms[0].submit();

Answer 2

您可以通过调用document.getElementsByTagName("form")获得所有<form>元素的数组。