Form problem with less than (le)

Question

I have a form, when users push the next button there will be
some input field checking before the user is realy going to the
next page. 
Now I want to check if the zip code (Netherlands) is not less
than 6 postions. 
In the begining I used this code:

if (zipcode_txt.text eq "") { 
result_txt.text = "Your zipcode is empty";
}

But now I want to check if there are really 6 positions in
the input field. I have already been trying this code, but that's
not working:

if (zipcode_txt.text le 6) { 
result_txt.text = "Your zipcode is empty";
}

Can someone help me out here

2m91_2 · Accepted Answer

I don't know why you want to use "eq" and "le" instead of"==" and "<" but you should at use:if (zipcode_txt.text.ength < 6) { result_txt.text = "Your zipcode is empty";}

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