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I can only get either right or wrong but cant get both when i change the assignment operator to an equal operator. How do i fix?
function main() { var numberGuests = parseInt(readLine(), 10) if (numberGuests = "Even") { console.log("Right"); } else { console.log("Wrong"); } }
13 odpowiedzi
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using one “=“ is to assign a value
“==“ is to evaluate without caring for the type
“===“ evaluates caring for the type.
var x = 1;
var y = “1”;
x==y is true
x===y is false
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In other words, use “===“
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I tried that and it still only gets half right
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function main() {
var numberGuests = parseInt(readLine(), 10)
if ( numberGuests === "Even")
{
console.log("Right");}
else {
console.log("Wrong");
}}
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what is readLine returning?
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I have no idea i havent got that far in the lesson. The first 3 lines was already loaded do i need to delete it?
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write console.log(numberGuests) above the if statement so you can see the output.
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That just outputs numberGuests with the if statement.
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Entrance to the club is only permitted in pairs.
Take the number of customers in the club as input, and, if all of them have a pair, output to the console "Right", otherwise output "Wrong".
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if(numberGuests % 2 === 0){
console.log(“right”);
}else{
console.log(“wrong”);
}
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numberGuests % 2 will take the remainder. if it is zero, right if it is more than zero, wrong.
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Thanks i got it now.
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Thats the original question.