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Add installation steps for Go and JavaScript.

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This commit is contained in:
Yudong Jin
2022-12-04 16:25:40 +08:00
parent 480f70366c
commit 3252b829e1
2 changed files with 22 additions and 5 deletions
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6
codes/javascript/chapter_stack_and_queue/stack.js
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@ -14,15 +14,21 @@ stack.push(3);
stack.push(2);
stack.push(5);
stack.push(4);
console.log("栈 stack =", stack)
/* 访问栈顶元素 */
const peek = stack[stack.length - 1];
console.log("栈顶元素 peek =", peek)
/* 元素出栈 */
const pop = stack.pop();
console.log("出栈元素 pop =", pop)
console.log("出栈后 stack =", stack)
/* 获取栈的长度 */
const size = stack.length;
console.log("栈的长度 size =", size)
/* 判断是否为空 */
const is_empty = stack.length === 0;
console.log("栈是否为空 =", is_empty)