每当我运行以下代码时,我总是收到“你选择了石头,你选择了布,你选择了剪刀”,我不知道为什么。
//if they haven't picked 1, 2, or 3, ask for input until they do
while (userSELECT != 1 && userSELECT != 2 && userSELECT != 3) {
var userSELECT = prompt("1 = Rock | 2 = Paper | 3 = Scissors", "<>");
};
// 1 is rock
if (userSELECT = '1') {
console.log("you chose Rock")
};
// 2 is paper
if (userSELECT = '2') {
console.log("you chose Paper")
};
// 3 is scissors
if (userSELECT = '3') {
console.log("you chose Scissors")
};
最佳答案
=
用于设置值而不是用于比较,因此您应该使用 ==
而不是 =
:
//if they haven't picked 1, 2, or 3, ask for input until they do
while (userSELECT != 1 && userSELECT != 2 && userSELECT != 3) {
var userSELECT = prompt("1 = Rock | 2 = Paper | 3 = Scissors", "<>");
};
// 1 is rock
if (userSELECT == '1') {
console.log("you chose Rock")
};
// 2 is paper
if (userSELECT == '2') {
console.log("you chose Paper")
};
// 3 is scissors
if (userSELECT == '3') {
console.log("you chose Scissors")
};
关于javascript - 石头剪刀布程序的 if 语句有问题,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/61613585/