科普下颜色代码 RGB格式:220,20,60(三个数字组成) HEX格式:#DC143C 代码如下 var rgb = '220,20,60'; alert(rgb2hex(rgb)); //将RGB转换成#HEX function rgb2hex(rgb) { var reg=/(\d{1,3}),(\d{1,3}),(\d{1,3})/; var arr=reg.exec(rgb); function hex(x) { return ("0" + parseInt(x).toSt…
在知乎上看到这样一个问题:http://www.zhihu.com/question/31805304; 简单地说就是实现这样一个add函数: add(x1)(x2)(x3)...(xn) == x1 + x2 + x3 + ... + xn // true; 正好发现在codewars上也有这道题,那不妨一块刷了吧. Kata Description level:5 kyu We want to create a function that will add numbers together…
问题描述: The rgb() method is incomplete. Complete the method so that passing in RGB decimal values will result in a hexadecimal representation being returned. The valid decimal values for RGB are 0 - 255. Any (r,g,b) argument values that fall out of tha…
问题描述: We are asking for a function to take a positive integer value, and return a list of all positive integer pairs whose values - when squared- sum to the given integer. For example, given the parameter 25, the function could return two pairs of 5,…
Description Given a decimal number n and an integer k, Convert decimal number n to base-k. 1.0<=n<=2^31-1, 2<=k<=162.Each letter over 9 is indicated in uppercase Have you met this question in a real interview? Yes Example Example 1:Given n = …
原题网址:http://www.lintcode.com/zh-cn/problem/hex-conversion/ Given a decimal number n and an integer k, Convert decimal number n to base-k. 注意事项 1.0<=n<=2^31-1, 2<=k<=162.Each letter over 9 is indicated in uppercase 您在真实的面试中是否遇到过这个题? Yes 样例 Exam…
