| http://www.w3.org/ns/prov#value | - r age?, ); case the user enters nothing) userAge = parseFloat(userAge); document.write(Hello + userName + .) the function returns the value if (userAge < 18) { entered by the user in the document.write( Do your parents know + you are online?); dialog box (a string) } else { if value is a number, must use document.write( Welcome friend!); parseFloat to convert }</script> forms will p
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