Show Output
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JavaScript Convert Values to Boolean</title> </head> <body> <script> document.write(Boolean(0) + "<br>"); // Prints: false document.write(Boolean(null) + "<br>"); // Prints: false document.write(Boolean(false) + "<br>"); // Prints: false document.write(Boolean(undefined) + "<br>"); // Prints: false document.write(Boolean(NaN) + "<br>"); // Prints: false document.write(Boolean("") + "<br>"); // Prints: false document.write(Boolean("0") + "<br>"); // Prints: true document.write(Boolean(1) + "<br>"); // Prints: true document.write(Boolean(true) + "<br>"); // Prints: true document.write(Boolean("false") + "<br>"); // Prints: true document.write(Boolean("Hello World!") + "<br>"); // Prints: true document.write(Boolean(" ")); // Prints: true </script> </body> </html>
