SOURCE

var a = true;
var b = false;
var c = true;
var d = false;
function abc(){
if(a){
    if(c){
        if(a){
            console.log(1)
            return; 
        } else {
            console.log(2)
        }
    } else {
        console.log(3)
    }
} else {
    console.log(4)
}
console.log(5)
}
console 命令行工具 X clear

                    
>
console