Checking for elements before replace_html on it

I do a whole lot of this from my controllers:

render :update do |page|
page.replace_html ‘someUniqueID’, “Some content”
end

For one reason or another, sometimes this code is delayed and by the
time it executes “someUniqueID” is no longer on the page. I need to
work an if statement in somewhere to verify that ‘someUniqueID’ is
still present on the page before the replace_html gets fired off.

I’ve tried:

if page[‘someUniqueID’]
Always returns true, even if someUniqueID is present

page.select(’#someUniqueID’).first.replace_html ‘someContent’
With this, somehow “replace_html” gets converted to “replaceHTML” and
then spits off:
“replaceHtml is not a function”

Any other ideas??

Thanks!

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