Am trying to get button to do something, and its working well.

But how can i get rid of this error

Use of uninitialized value in string eq at jj.pl

if (param('btn') eq 'btn') {
    
#Do something
}

[download]
<button type="submit" name="btn" value="btn">Do something</button>

[download]

In reply to uninitialized value by frank1

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