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g()('al') = goal
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| //使g()(‘al’)返回字符串”goal”； | |
| //g()()(‘al’)输出”gooal”； | |
| //代码g()()()(‘al’)返回goooal; | |
| // 各个语言版本参考链接 https://github.com/eatnumber1/goal | |
| // 一开始自己想的一个版本 | |
| function g() { | |
| var stack = ['g']; | |
| if (arguments.length === 0) { | |
| return recursive; | |
| } else { | |
| stack.push(arguments[0]); | |
| return stack.join(''); | |
| } | |
| function recursive() { | |
| stack.push('o'); | |
| if (arguments.length === 0) { | |
| return recursive; | |
| } else { | |
| stack.push(arguments[0]); | |
| return stack.join(''); | |
| } | |
| } | |
| } | |
| // 更精简的版本 | |
| function g(al) { | |
| g.q = g.q || 'g'; | |
| return al ? (g.q + al) : (g.q += 'o', g); | |
| } |
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