crop_rotate
Run
<!DOCTYPE html> <html> <body> <p> Unary Operators </p> <script> let x = "not a number"; /* not a number = NaN*/ let y = -x; document.write("<b>" + typeof(x) +"<b><br>"); document.write("<b>" + y +"<b><br>"); document.write("<b>" + typeof(y) +"<b><br>"); </script> </body> </html>
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