[Greasemonkey] Re: Clicking a Button Programmatically

[A. Alfred Ayache]

Thanks, Mark and everyone else.

Mark, if this isn't the right pattern, what is?  All I need at this point is an 
easy way to click the button.

Thanks again,

A. Alfred Ayache
http://lphs76.ca             - Reunion community
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Mark Pilgrim wrote:
> On 5/24/06, A. Alfred Ayache <alfred at lastbyte.ca> wrote:
>>         HTMLInputElement.prototype._click = 
>> HTMLInputElement.prototype.click;
>>         HTMLInputElement.prototype.click = newclick;
>>
>>         refbtn.click();
>> <<<
>>
>> The original example used the HTMLFormElement class.  Since the target 
>> page used
>> a button input element, I switched to HTMLInputElement.  Sadly, not 
>> only did
>> this not work, but I got the following error:
>>
>> Error: HTMLInputElement.prototype has no properties
> 
> Yeah, this broke after the book was published (specifically, it broke
> in GM 0.6).  Now you need to use
> 
> unsafeWindow.HTMLInputElement.prototype._click =
> unsafeWindow.HTMLInputElement.prototype.click;
> 
> unsafeWindow.HTMLInputElement.prototype.click = newclick;
> 
> I'm not sure that overriding the click method is really what you want
> in this particular script, but that's the corrected pattern for
> overriding methods of DOM Element classes.
> 
> This pattern is put to good use here:
> 
> http://kailasa.net/prakash/greasemonkey/post-interceptor.user.js
>