【JavaScript】06-js的选择结构

06-js的选择结构

if的选择结构

//if...else... 类同java
if(a % 2 == 0){
    console.log(a + "是偶数！");
} else {
    console.log(a + "是奇数！");
}

switch…case… 类同java

let b = 4;
switch(b) {
    case 1:
        console.log("一");
        break;
    case 2:
        console.log("二");
        break;
    default:
        console.log("错误");
        break;
}