1.示例：
索引.html
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>stack | last in first out (lifo) or first in last out | - by sudhanshu gaikwad (filo)</title>
</head>
<body>
<h3>stack in javascript</h3>
<script>
let data = [];
// add an element to the array
function addele(ele) {
if (isfull()) {
console.log("array is full, element can't be added!");
} else {
console.log("element added!");
data.push(ele);
}
}
// check if the array is full
function isfull() {
return data.length >= 10;
}
// remove an element from the array
function remove() {
if (isempty()) {
console.log("array is empty, can't remove element!");
} else {
data.pop();
console.log("element removed!");
}
}
// check if the array is empty
function isempty() {
return data.length === 0;
}
// display the array elements
function display() {
console.log("updated array >> ", data);
}
// example usage
addele(55);
addele(85);
addele(25);
remove();
display(); // [55, 85]
</script>
</body>
</html>
2.示例：
index2.html
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>what is stack in javascript | by sudhanshu gaikwad</title>
<style>
* {
box-sizing: border-box;
}
body {
font-family: "roboto condensed", sans-serif;
background-color: #f4f4f4;
margin: 0;
padding: 0;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
height: 100vh;
}
.container {
background-color: white;
padding: 20px;
border-radius: 10px;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
max-width: 400px;
width: 100%;
margin-bottom: 20px;
}
h3 {
color: #333;
text-align: center;
margin-bottom: 20px;
}
input {
padding: 10px;
width: calc(100% - 20px);
margin-bottom: 10px;
border: 1px solid #ccc;
border-radius: 5px;
}
button {
padding: 10px;
margin: 10px 0;
border: none;
border-radius: 5px;
background-color: #292f31;
color: white;
cursor: pointer;
width: 100%;
}
button:hover {
background-color: #e9e9ea;
color: #292f31;
}
.message {
margin-top: 15px;
color: #333;
font-size: 16px;
text-align: center;
}
.footer {
text-align: center;
margin-top: 20px;
font-size: 14px;
color: #555;
}
/* responsive design */
@media (max-width: 768px) {
.container {
padding: 15px;
max-width: 90%;
}
button {
font-size: 14px;
}
input {
font-size: 14px;
}
}
</style>
</head>
<body>
<div class="container">
<!-- title -->
<h3>stack in javascript</h3>
<!-- input section -->
<input type="text" id="addele" placeholder="enter an element" />
<!-- buttons section -->
<button onclick="adddata()">add element</button>
<button onclick="removeele()">remove element</button>
<button onclick="display()">show array</button>
<!-- message sections -->
<div id="add" class="message"></div>
<div id="remove" class="message"></div>
<div id="display" class="message"></div>
</div>
<!-- footer with copyright symbol -->
<div class="footer">
© 2024 sudhanshu developer | all rights reserved
</div>
<script>
let data = [];
// function to add an element to the stack
function adddata() {
let newele = document.getelementbyid("addele").value;
if (isfull()) {
document.getelementbyid("add").innerhtml = "array is full, element cannot be added!";
} else if (newele.trim() === "") {
document.getelementbyid("add").innerhtml = "please enter a valid element!";
} else {
data.push(newele);
document.getelementbyid("add").innerhtml = `element "${newele}" added!`;
document.getelementbyid("addele").value = "";
console.log("current array: ", data);
display();
}
}
function isfull() {
return data.length >= 10;
}
function removeele() {
if (isempty()) {
document.getelementbyid("remove").innerhtml = "array is empty!";
} else {
let removedelement = data.pop();
document.getelementbyid("remove").innerhtml = `element "${removedelement}" removed!`;
console.log("current array: ", data);
display();
}
}
function isempty() {
return data.length === 0;
}
function display() {
let displayarea = document.getelementbyid("display");
displayarea.innerhtml = "";
if (data.length === 0) {
displayarea.innerhtml = "no elements in the array!";
console.log("array is empty.");
} else {
for (let i = 0; i < data.length; i++) {
displayarea.innerhtml += `element ${i + 1}: ${data[i]}<br>`;
}
console.log("displaying array: ", data);
}
}
</script>
</body>
</html>
输出：
带有用户输入的 c 语言堆栈
#include <stdio.h>
#include <stdbool.h>
#define max 10
int data[max];
int top = -1;
// function to check if the stack is full
bool isfull() {
return top >= max - 1;
}
// function to check if the stack is empty
bool isempty() {
return top == -1;
}
// function to add an element to the stack (push operation)
void addele() {
int ele;
if (isfull()) {
printf("array is full, element can't be added!\n");
} else {
printf("enter an element to add: ");
scanf("%d", &ele); // read user input
data[++top] = ele; // increment top and add element
printf("element %d added!\n", ele);
}
}
// function to remove an element from the stack (pop operation)
void remove() {
if (isempty()) {
printf("array is empty, can't remove element!\n");
} else {
printf("element %d removed!\n", data[top--]); // remove element and decrement top
}
}
// function to display all elements in the stack
void display() {
if (isempty()) {
printf("array is empty!\n");
} else {
printf("updated array >> ");
for (int i = 0; i <= top; i++) {
printf("%d ", data[i]);
}
printf("\n");
}
}
int main() {
int choice;
do {
printf("\n1. add element\n2. remove element\n3. display stack\n4. exit\n");
printf("enter your choice: ");
scanf("%d", &choice); // read the user's choice
switch (choice) {
case 1:
addele();
break;
case 2:
remove();
break;
case 3:
display();
break;
case 4:
printf("exiting...\n");
break;
default:
printf("invalid choice! please select a valid option.\n");
}
} while (choice != 4);
return 0;
}
示例输出：
1. Add Element 2. Remove Element 3. Display Stack 4. Exit Enter your choice: 1 Enter an element to add: 55 Element 55 Added! 1. Add Element 2. Remove Element 3. Display Stack 4. Exit Enter your choice: 3 Updated Array >> 55 1. Add Element 2. Remove Element 3. Display Stack 4. Exit Enter your choice: 4 Exiting...
以上就是堆栈数据结构|后进先出 (LIFO)的详细内容，更多请关注php中文网其它相关文章！
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