## ceil + [link](./ceil "Link to this entry.") + [source](https://github.com/lodash/lodash/blob/4.5.0正式版/lodash.src.js#L13883 "View in source.") + [npm](https://www.npmjs.com/package/lodash.ceil "See the npm package.") ``` _.ceil(number, [precision=0]) ``` 根据 `precision` 向上舍入 `number`。 ### 参数 1. number (number) 要向上舍入的值 2. [precision=0] (number) 精度 ### 返回值 (number) 返回向上舍入的结果 ### 示例 ``` _.ceil(4.006); // => 5 _.ceil(6.004, 2); // => 6.01 _.ceil(6040, -2); // => 6100 ```