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JavaScript function called "action"

Can someone explain to me why a function called "action" creates a type error in the following code as soon as the button is surrounded by form tags. I suppose this leads to a strange conflict with the action attribute of the form, but I wonder why this happens in this area (the “action” is not defined in any other way):

<html> <head> <script type="text/javascript"> function action() { alert('test'); } </script> </head> <body> <form> <input type="button" value="click" onClick="action();"> </form> </body> </html>
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Inside the form, action is a string reference to the action of the form. If you change your onclick to alert(action) , you will get a form action (which will be an empty string for your specific form).

In the same way, form will be a reference to the form, and method will contain the form method if you use them in the form. window.action will still reference your function.

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