默认参数：
<script>
function selet(num, max) {
console.log(num + max);
}
selet(1, 5);
</script>
动态参数：
<script>
function active() {
for (let i = 0; i < arguments.length; i++) {
console.log(arguments[i]);
}
}
active(1, 5, 6, 8, 9, 10, 11, 12);
</script>
剩余参数：
<script>
function active(a, b, ...c) {
console.log(a, b, ...c);
}
active(1, 5, 6, 8, 9, 10, 11, 12);
</script>
标签：function,console,log,JavaScript,默认,参数,active From： https://www.cnblogs.com/ZhuAo/p/16835721.html