2018-10-10 18:03:03 -04:00
|
|
|
---
|
|
|
|
id: bd7993c9ca9feddfaeb7bdef
|
2020-12-16 00:37:30 -07:00
|
|
|
title: 两个小数相除
|
2018-10-10 18:03:03 -04:00
|
|
|
challengeType: 1
|
2020-04-29 18:29:13 +08:00
|
|
|
videoUrl: 'https://scrimba.com/c/cBZe9AW'
|
|
|
|
forumTopicId: 18255
|
2018-10-10 18:03:03 -04:00
|
|
|
---
|
|
|
|
|
2020-12-16 00:37:30 -07:00
|
|
|
# --description--
|
2018-10-10 18:03:03 -04:00
|
|
|
|
2020-12-16 00:37:30 -07:00
|
|
|
现在让我们将一个小数除以另一个小数。
|
2018-10-10 18:03:03 -04:00
|
|
|
|
2020-12-16 00:37:30 -07:00
|
|
|
# --instructions--
|
2018-10-10 18:03:03 -04:00
|
|
|
|
2020-12-16 00:37:30 -07:00
|
|
|
改变数值`0.0`的值让变量`quotient`的值等于`2.2`.
|
2018-10-10 18:03:03 -04:00
|
|
|
|
2020-12-16 00:37:30 -07:00
|
|
|
# --hints--
|
2018-10-10 18:03:03 -04:00
|
|
|
|
2020-12-16 00:37:30 -07:00
|
|
|
`quotient`的值应该等于`2.2`。
|
2018-10-10 18:03:03 -04:00
|
|
|
|
|
|
|
```js
|
2020-12-16 00:37:30 -07:00
|
|
|
assert(quotient === 2.2);
|
2018-10-10 18:03:03 -04:00
|
|
|
```
|
|
|
|
|
2020-12-16 00:37:30 -07:00
|
|
|
使用`/`运算符将 4.4 除以 2。
|
2018-10-10 18:03:03 -04:00
|
|
|
|
|
|
|
```js
|
2020-12-16 00:37:30 -07:00
|
|
|
assert(/4\.40*\s*\/\s*2\.*0*/.test(code));
|
2018-10-10 18:03:03 -04:00
|
|
|
```
|
|
|
|
|
2020-12-16 00:37:30 -07:00
|
|
|
quotient 变量应该只被赋值一次。
|
2018-10-10 18:03:03 -04:00
|
|
|
|
|
|
|
```js
|
2020-12-16 00:37:30 -07:00
|
|
|
assert(code.match(/quotient/g).length === 1);
|
2018-10-10 18:03:03 -04:00
|
|
|
```
|
2020-04-29 18:29:13 +08:00
|
|
|
|
2020-12-16 00:37:30 -07:00
|
|
|
# --solutions--
|
|
|
|
|