if statement
"if"
tell the program execute the section of code when the condition evaluates to
true.
Syntax
if(condition){
// Executes if the condition true
}
if.html
<!DOCTYPE html> <html> <head> <title>if statement</title> </head> <body> <script type="text/javascript"> var a = prompt("Enter any Integer", 100); if (a % 2 == 0) { document.write("You entered even number"); } </script> </body> </html>
Open above
html file in browser, it prompts for input. If you enter even number, it prints
the message 'You entered even number' else it prints nothing.
if-else statement
If the
condition true, then if block code executed. other wise else block code
executed.
Syntax:
if(condition){
}
else{
}
ifelse.html
<!DOCTYPE html> <html> <head> <title>if-else statement</title> </head> <body> <script type="text/javascript"> var a = prompt("Enter any Integer", 100); if (a % 2 == 0) { document.write("You entered even number"); } else { document.write("You entered odd number"); } </script> </body> </html>
Open above
html file in browser, it prompts for input. If you enter even number, it prints
the message 'You entered even number' else it prints "You entered odd
number".
No comments:
Post a Comment