JavaScript算法试题系列-03

题目要求：

// 字符串颠倒字符串给定某个字符串，要求将其中单词倒转之后然后输出，譬如"Welcome to this Javascript Guide!" 应该输出为 "emocleW ot siht tpircsavaJ !ediuG"。var string = "Welcome to this Javascript Guide!";

// Output becomes !ediuG tpircsavaJ siht ot emocleW
var reverseEntireSentence = reverseBySeparator(string, "");

// Output becomes emocleW ot siht tpircsavaJ !ediuG
var reverseEachWord = reverseBySeparator(reverseEntireSentence, " ");

解答：

function reverseBySeparator(string, separator) {
  return string.split(separator).reverse().join(separator);
}