# 2008-11-18 长距离打车如何省钱？学JavaScript的时候写的一个用于在长距离打车时，计算多远抬一次表最省钱的抬表方案的小程序，参数可以根据需要随意修改。 X轴是距离，Y轴是费用，不同的颜色表示不同的抬表方案大致的简单结论是20公里以上的时候，每15公里抬一次表，能省出10%左右吧。下面代码存为taxi.html，然后打开即可在浏览器中看到结果。 ``` ``` --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://blog.log4think.com/save-money-for-taxi.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.