结果的值为122,即使未指定乘数,它也会自动采用输入的值吗?我认为乘法运算符与x = x * y相同,因此需要首先指定x。
function mystery(input) {
var secret = 4;
input += 2;
function mystery2(multiplier) {
multiplier *= input;
return secret * multiplier;
}
return mystery2;
}
function mystery3(param) {
function mystery4(bonus) {
return param(6) + bonus;
}
return mystery4;
}
var hidden = mystery(3);
var jumble = mystery3(hidden);
var result = jumble(2);
最佳答案
function mystery(input) {
var secret = 4;
input += 2;
function mystery2(multiplier) {
multiplier *= input;
return secret * multiplier;
}
return mystery2;
}
function mystery3(param) {
function mystery4(bonus) {
return param(6) + bonus;
}
return mystery4;
}
var hidden = mystery(3);
//input=3 +=2 = 5
//hidden=mystery2
var jumble = mystery3(hidden);
//param=hidden
//jumble=mystery4
var result = jumble(2);
//bonus=2
//result=jumble(2)=mystery4(2)
//result=param(6)+bonus
//result=mystery2(6)+2
//multiplier=6
//result=input*multiplier*secret+2
//result=5*6*4+2
//result=?
您可以简化代码:
mystery=input=>multiplier=>(input+2)*multiplier*4;
mystery3=param=>bonus=>param(6)+bonus;
result=mystery3(mystery(3))(2);
关于javascript - 使用Ja赋值运算符关闭Javascript,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/43426814/