algorithm/hello-algo
1
0
Fork 0
mirror of https://github.com/krahets/hello-algo.git synced 2025-07-06 22:34:18 +08:00
Code Issues Packages Projects Releases Wiki Activity

Update the chapter of stack and queue.

Browse Source
This commit is contained in:
Yudong Jin
2022-12-20 21:33:14 +08:00
parent e79b800bb2
commit 7283bbaf6f
14 changed files with 79 additions and 186 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
codes/javascript/chapter_stack_and_queue/array_stack.js
View File

@ -11,6 +11,7 @@ class ArrayStack {
constructor() {
this.stack = [];
}
/* 获取栈的长度 */
get size() {
return this.stack.length;
@ -28,19 +29,22 @@ class ArrayStack {
/* 出栈 */
pop() {
if (this.empty()) throw "栈为空";
if (this.empty())
throw new Error("栈为空");
return this.stack.pop();
}
/* 访问栈顶元素 */
top() {
if (this.empty()) throw "栈为空";
if (this.empty())
throw new Error("栈为空");
return this.stack[this.stack.length - 1];
}
/* 访问索引 index 处元素 */
get(index) {
if (index >= this.size) throw "索引越界";
if (index >= this.size)
throw new Error("索引越界");
return this.stack[index];
}