math.ceil()

Math.ceil()是一个数学函数，它用于向上取整。它的作用是将一个数值向上舍入到最接近的整数。如果数值是正数，则直接舍去小数部分并向上进位；如果数值是负数，则直接舍去小数部分但不进位。例如，Math.ceil(3.1415926)的结果是4.0，Math.ceil(-15.23)的结果是-15.0。\[1\]在JavaScript中，Math.ceil()的用法类似，例如Math.ceil(.95)的结果是1，Math.ceil(7.004)的结果是8。\[2\]Math.ceil()的英文含义是"天花板"，因此它被称为天花板函数。它会返回不小于自变量的最大整数。例如，Math.ceil(11.46)的结果是12，Math.ceil(-11.46)的结果是-11。\[3\]
#### 引用[.reference_title]
- *1* [Math.ceil()](https://blog.csdn.net/zouxiaolv/article/details/105041523)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [JavaScript 的 Math.ceil() 函数](https://blog.csdn.net/huyuchengus/article/details/120242492)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [Math.floor()，Math.ceil()，Math.round()三个函数的区别](https://blog.csdn.net/andone22/article/details/122685611)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
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