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Javascript tutorial

A small example of averaging using JS

Effect: Event: The blur event is triggered after three text boxes are entered. Calculate the average. Instructions: Call the method to calculate the average. Code: In the text box: Copy the code. The code is as follows:

2025-01-17
JavaScript simply implements table row interval display color and highlighting

Copy the code code as follows:<script type="text/javascript"> var name; //存储tr对象的类名，当鼠标移开时进行恢复 function trcolor(){ //表格行颜色间隔显示 var tabNode =

2025-01-17
Simple implementation of JS Loading function

When we browse the web, we often see the LOADING prompt that appears when data is loading. In fact, the principle of this function is very simple, that is, a DIV covers the current page, and then Loading is displayed on the covered DIV layer. Now let'

2025-01-17
Share the 55 most commonly used classic tips in Javascript

1. oncontextmenu="window.event.returnValue=false" will completely block the right mouse button<table border oncontextmenu=return(false)><td> no</table> Available for T

2025-01-17
A brief analysis of types and objects in JavaScript

JavaScript is object-based, and any element can be regarded as an object. However, types and objects are different. In this article, in addition to discussing some characteristics of types and objects, more importantly, we study how to write good and reus

2025-01-17
JS small function (checkbox realizes all selection and all cancellation) example code

Effect: Code: Copy the code. The code is as follows: <head runat="server"><title></title><script type="text/javascript">window.onload = function () {var ckall

2025-01-17
JS small function (onmouseover implements month selection) example code

Effect: Code: Copy the code. The code is as follows: <head runat="server"><title></title><style type="text/css">#backcolor{width: 400px;height: 400px;backgrou

2025-01-17
Summary of javascript list box operation function collection

Copy the code code as follows: <script language="javascript">/* 列表框互相操作函数集 *///描述: 添加不重复列表框元素function selAdd( srcList, dstList ){var selectedI

2025-01-17
Detailed explanation of hyphens in JavaScript

I spent 2 hours at night to use Javascript to process a simple string filtering function. The code is pasted below. It is actually very simple. I just want to <b/>filter out the query results returned by the Google AJAX Search API. One of the important re

2025-01-17
A simple introduction to using Google (Local) Search API

It took me two days to use Google's API to make such a small thing. In fact, the actual implementation code is not much, only a dozen lines. The time-consuming work is understanding the functions of each API and debugging JavaScript. Let’s briefly int

2025-01-17
asm.js usage sample code

Copy the code as follows: function mymodule(global, foreign, buffer) {"use asm";// ---------------------------- --------------------------

2025-01-17
The pop-up effect written in juery framework is suitable for novices

I'm a newbie at writing code, so I hope you guys can help me! ! ! ! ! ! Copy the code code as follows:<html><head><title> js pop-up window effect</title>

2025-01-17
js uses an array to determine whether the same data exists in the submitted data

Copy the code as follows: var productIds = $(".productId"); var arry = new Array(); arry = productIds; var ary=arry.sort(); for(var i=0;

2025-01-17
Js implements the current click on the a label to change color and highlight other a labels to return to the original color

When a page has multiple a tags, and when clicked, it will jump to the current page. How can the clicked tag change color and be highlighted, and other tags return to their original colors? It can be achieved by using JS: Assume that the current page is &

2025-01-17
Solution to showModalDialog returning Null in Google Chrome

The return value of showModalDialog can be obtained under IE and Firefox, but it will return Null under Google Chrome. The solution is introduced below. The parent page: Copy the code as follows: function openwindows(){ var obj = new Obje

2025-01-17

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