Why is this simple bit of code not working?

<PLEASE USE THE FOLLOWING TEMPLATE TO HELP YOU CREATE A GREAT POST!>

<Below this line, add a link to the EXACT exercise that you are stuck at.>

<In what way does your code behave incorrectly? Include ALL error messages.>

```

if( isNaN(a) == true)
{
alert(“hi”);
}

<do not remove the three backticks above>

Try

if (isNaN(a)){
    alert("hi");
}

ok let see, i will try it rn

o I think I just figured out what is up

i think google crhom might be preventing pop ups. Imma close it and start again