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HTML+CSS project development experience summary (recommendation)

I haven't updated the blog for several days. I just finished a simple project of HTML+CSS. After a few days of exploration, I found that a lot of benefits were found. Before, I just had to write Demo, see the knowledge points, and did not fight the pr

2025-03-11
Introduction to prototype.bind() method in JavaScript

In the past, you might have set self=this or that=this, etc., which of course will work, but using Function.prototype.bind() will be better and it will look more professional. Here is a simple example: the copy code code is as follows: var myObj = {sp

2025-03-11
5 ways to interact with JavaScript and CSS that you may not know

As browsers continue to upgrade and improve, the boundaries between CSS and JavaScript are becoming increasingly blurred. Originally they were responsible for completely different functions, but in the end, they all belong to web front-end technology and

2025-03-11
js shopping cart implementation ideas and code (personally feel good)

Copy the code as follows: <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <% String path = reques

2025-03-11
Summary of three methods of submitting a form after js verification

The first one: copy the code as follows: <script type="text/javascript">function check(form) {if(form.userId.value=='') {alert("请输入用户帐号!");form.user

2025-03-11
JS gets the screen, browser window size, web page height and width (implementation code)

The width of the visible area of the web page: document.body.clientWidth The height of the visible area of the web page: document.body.clientHeight The width of the visible area of the web page: document.body.offsetWidth (including the width of the

2025-03-11
Reduce the number of visits to DOM to improve javascript performance

Accessing DOM elements comes at a cost, and modifying DOM elements is even more expensive because it causes the browser to recalculate the page's geometric changes. Of course, the worst case is accessing the modified element in the loop, especially lo

2025-03-11
How to modify the transparency of labels in FF IE browser

Copy code code as follows: // FF browser document.GetelementByid ("IMG1"). STYLE.OPACITY = "0.5"; // IE browser document.GetelementByid ("IMG1").

2025-03-11
JavaScript: FF/Chrome and IE dynamic loading elements instructions

Copy code code as follows:<!doctype html><html><head><title> The difference between FF and IE dynamic loading elements</title>

2025-03-11
Three ways to achieve image rotation by js

1 Use jQueryRotate.js to implement the sample code: Copy the code as follows:<!DOCTYPE html><html><head><title></title><style type="text/css"> #div1 { widt

2025-03-11
JavaScript obtain the sample code of the table unit element in Form

// Get the form object Var Form = document.GetelementByid ('My_form'); // User name input object user_name is the name property of the object varience = formername = form.user_name;

2025-03-11
How to draw a clock on canvas

This article introduces how to draw a clock on canvas and shares it with everyone. The details are as follows: The rendering is the above code: var canvas = document.getElementById(canvas);var ctx = canvas.getContext(2d);var

2025-03-10
In-depth analysis of JavaScript scope and scope chain

Scope is one of the most important concepts in JavaScript. If you want to learn JavaScript well, you need to understand how JavaScript scope and scope chains work. Today’s article provides a brief introduction to JavaScript scope and scope chain. I hope i

2025-03-10
Press Enter to point to the next position a function code

Copy the code as follows: function tofocus(itemname) //Press Enter to set the next position { var aa=eval("document.vouch."+itemname) a.focus() } Use onkeypress= in the control

2025-03-10
jqplot methods and ideas for dynamically drawing line charts through ajax

The effect is as shown in the figure. The picture will move every five seconds (actually a new picture is drawn), which can display the monitored CPU information. The pastCpuInfomation function is mainly used to display a line chart. The updateCpuPic func

2025-03-10

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