Find specific text on page and click link next to it...?

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Hi,

I do apologise, I'm rather new to this sort of thing.

I'm curious, is it possible to use javascript to search a web page for a certain string of text, and then click a link next to the text?

For example...if I were to search a page for "lucascain", and the search brought up the following...

lucascain <a href="#">I want to click here!</a>

Would it be possible? If not possible through javascript, what would I need to investigate?

Thanks ever so much.

yes, it's possible, provided that it is your own web page

if it's somebody else's web page you would need to use server side coding or install a userscript