diff --git a/codes/javascript/chapter_stack_and_queue/stack.js b/codes/javascript/chapter_stack_and_queue/stack.js new file mode 100644 index 000000000..9afbdc2c1 --- /dev/null +++ b/codes/javascript/chapter_stack_and_queue/stack.js @@ -0,0 +1,28 @@ +/** + * File: stack.js + * Created Time: 2022-12-04 + * Author: S-N-O-R-L-A-X (snorlax.xu@outlook.com) + */ + +/* 初始化栈 */ +// Javascript 没有内置的栈类,可以把 Array 当作栈来使用 +const stack = []; + +/* 元素入栈 */ +stack.push(1); +stack.push(3); +stack.push(2); +stack.push(5); +stack.push(4); + +/* 访问栈顶元素 */ +const peek = stack[stack.length - 1]; + +/* 元素出栈 */ +const pop = stack.pop(); + +/* 获取栈的长度 */ +const size = stack.length; + +/* 判断是否为空 */ +const is_empty = stack.length === 0; diff --git a/codes/typescript/chapter_stack_and_queue/stack.ts b/codes/typescript/chapter_stack_and_queue/stack.ts new file mode 100644 index 000000000..a6d2a5188 --- /dev/null +++ b/codes/typescript/chapter_stack_and_queue/stack.ts @@ -0,0 +1,30 @@ +/** + * File: stack.ts + * Created Time: 2022-12-04 + * Author: S-N-O-R-L-A-X (snorlax.xu@outlook.com) + */ + +/* 初始化栈 */ +// Typescript 没有内置的栈类,可以把 Array 当作栈来使用 +const stack: number[] = []; + +/* 元素入栈 */ +stack.push(1); +stack.push(3); +stack.push(2); +stack.push(5); +stack.push(4); + +/* 访问栈顶元素 */ +const peek = stack[stack.length - 1]; + +/* 元素出栈 */ +const pop = stack.pop(); + +/* 获取栈的长度 */ +const size = stack.length; + +/* 判断是否为空 */ +const is_empty = stack.length === 0; + +export { }; \ No newline at end of file diff --git a/docs/chapter_stack_and_queue/stack.md b/docs/chapter_stack_and_queue/stack.md index 80870a078..eed703353 100644 --- a/docs/chapter_stack_and_queue/stack.md +++ b/docs/chapter_stack_and_queue/stack.md @@ -143,13 +143,55 @@ comments: true === "JavaScript" ```js title="stack.js" + /* 初始化栈 */ + // Javascript 没有内置的栈类,可以把 Array 当作栈来使用 + const stack = []; + + /* 元素入栈 */ + stack.push(1); + stack.push(3); + stack.push(2); + stack.push(5); + stack.push(4); + /* 访问栈顶元素 */ + const peek = stack[stack.length-1]; + + /* 元素出栈 */ + const pop = stack.pop(); + + /* 获取栈的长度 */ + const size = stack.length; + + /* 判断是否为空 */ + const is_empty = stack.length === 0; ``` === "TypeScript" ```typescript title="stack.ts" + /* 初始化栈 */ + // Typescript 没有内置的栈类,可以把 Array 当作栈来使用 + const stack: number[] = []; + + /* 元素入栈 */ + stack.push(1); + stack.push(3); + stack.push(2); + stack.push(5); + stack.push(4); + /* 访问栈顶元素 */ + const peek = stack[stack.length - 1]; + + /* 元素出栈 */ + const pop = stack.pop(); + + /* 获取栈的长度 */ + const size = stack.length; + + /* 判断是否为空 */ + const is_empty = stack.length === 0; ``` === "C"