While, generally speaking, HTML is for content and CSS is for presentation, JavaScript is for interactivity.
1、在HTML中插入JavaScript代码,像下面这样:
<!DOCTYPE html>
<html>
<...
【称号】
原文:
1.8 Assume you have a method isSubstring which checks if one word is a substring of another. Given two strings, s1 and s2, write code to check if s2 is a rotation of s1 using only o...