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能不能留个联系方式，交流一下。

const t1 = TrimLeft<' str'>  // 'str'
const t2 = Trim<' str '>     // 'str'
const t3 = TrimRight<'str '> // 'str'

不能直接使用，可以将const改为type

removeAt (index) { if (index >= 0 && index < this.count) { let current = this.head if (index === 0) { if (this.count === 0) { this.head = null } else { const removed = this.head current = this.getElementAt(this.count - 1) this.head = this.head.next current.next = this.head current = removed } } else { const previous = this.getElementAt(index - 1) current = previous.next previous.next = previous.next } this.count-- return current.element } return undefined }

previous.next = previous.next 这句话是不是错了，不应该是 previous.next = current.next 吗

能不能留个联系方式，交流一下。

想问下这种的网页式加.md文件怎么写

Why not upload the source code、Look at my vuepress，and vitepress is more beautfy

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wanghuayu?wanghuayu?wanghuayu?wanghuayu?

模拟队列结构应该是shift()和push()

前端面试之道中自实现的深拷贝无法拷贝函数
小建议可以将isObj方法里的逻辑改为return typeof o === 'object' && typeof o !== null;