How do I detect the type of a parameter

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- narFsnw
- - Joined 20 Oct, 2013
  - 22 topics • 89 posts
- 1
- 4 Aug, 2015
- Quote
I have a function that receive 2 parameters: a number and a string.

Because I'm dumb when I code (happens to everybody!), I sometime send the parameter inverted: the number instead of the string and the string in place of the number.

I want to make this function stupid proof by checking if the parameter received are indeed of the right type. Something like:
```
If type of function.param(0) == "number"
--> browser.log("Incorrect parameter")

If type of function.param(1) == "text"
--> browser.log("incorrect parameter")[/code:3akx0gtu]

How can I do that? How can I check the type of a variable?
```
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- narFsnw
- - Joined 20 Oct, 2013
  - 22 topics • 89 posts
- 1
- 4 Aug, 2015
- Quote
One solution could be to write a function that would check, character by character, if they are all digits or all letters. But I'm trying to know if there's already a function built it. Something like function isNumber() or isNaN(). Is there anything like that?
- narFsnw
- - Joined 20 Oct, 2013
  - 22 topics • 89 posts
- 1
- 4 Aug, 2015
- Quote
Oh my god! I'm so blind!!

It was right there all along! In the list of System conditions!

For the reference, here's where it is:

Add condition > System > Is value type