问题
I am learning Javascript via Codecademy and no have been stumped on this little piece here.
I have supposed to write an if else statement.
It shows me here in the following that there is a Syntac Error with a missing identifier:
var userAnswer = prompt("Are you feeling lucky, punk?");
if (userAnswer === "yes");
{
console.log("Batman hits you very hard. It's Batman and you're you! Of course Batman wins!");
}
else {
console.log("You did not say yes to feeling lucky. Good choice! You are a winner in the game of not getting beaten up by Batman.");
}
What is wrong with that.... There is no error in this example here:
if (age < 18)
{
console.log("We take no actions or responsibility. Play at your own risk!");
}
else
{
console.log("Enjoy the game");
}
回答1:
if (userAnswer === "yes");
Remove the semicolon.
回答2:
There's a semi-colon after the first conditional check. Also, you should always put the opening bracket of the conditional branch on the same line as the brackets
回答3:
var age;
age = prompt('How old are you?');
if (age < 18)
{
alert("We take no actions or responsibility. Play at your own risk!");
}
else if(age > 18)
{
alert("Enjoy the game");
}
来源：https://stackoverflow.com/questions/21500439/syntax-error-unexpected-token-else