18.生成器的函数参数
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<title>Document</title>
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<script>
function* gen(arg) {
console.log(arg);
let one = yield 111;
console.log(one);
let two = yield 222;
console.log(two);
let three = yield 333;
console.log(three);
}
let iterator = gen("AAA");
// iterator.next();
console.log(iterator.next()); //next方法可以传入实参,实参就是真个yield表达式返回的结果
console.log(iterator.next("BBB")); //当前next的参数会作为上一个yield语句的返回值
console.log(iterator.next("CCC"));
console.log(iterator.next("DDD"));
</script>
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