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HTML5 postMessage user manual

When we are coding, we often encounter the following cross-domain situations: 1. Nested iframes within the page, and message passing with the iframe 2. Message passing between the page and multiple pages For these troublesome cross-domain situations Quest

2025-03-18
Sample code for implementing communication between pages using Storage Events

We all know that triggering window.onstorage must meet the following two conditions: when saving (updating) a certain storage through localStorage.setItem or sessionStorage.setItem, its new value must be the same as the previous one.

2025-03-18
JS pictures seamless, smooth scrolling code

Very smooth JS picture scrolling effect code, seamless loop, customizable speed, stop when mouse hovering. Its feature is the separation of JS and image addresses. In this way, you can easily call the address of each image from the database, which is easy

2025-03-18
Summary of various calling methods of anonymous functions in Javascript

There are many ways to define functions in Javascript, and function literals are one of them. For example, var fun = function(){}, if function is not assigned to fun, then it is an anonymous function. Okay, let's see how the anonymous function is call

2025-03-18
Quickly solve the problem of Chinese garbled characters in FusionCharts linkage

Question content: When using fusioncharts, you may want to click on a part of the Chart on a page such as demo.html, and then display the details of this part. fusioncharts has setDataXML and setDataURL. These two methods are used to set data. But

2025-03-18
CANVAS implements a sample code for github404 dynamic effect

A few days ago, I used the CSS style and JS to pay tribute to the similar interface of Github404. At the same time, I recently contacted Canvas. Based on the idea of blind toss, I used Canvas to complete the dynamic effect of GitHub404 through Canvas. E

2025-03-18
Solve the problem of line wrapping in scroll-view of WeChat applet

Today I used scroll-view when writing a small program, but found that a line of text in scroll-view cannot be wrapped. The code is as follows:<scroll-view scroll-y style=width:100rpx;height:100rpx;> asdhajh

2025-03-18
JS+DIV Implementation Picture Rolling Effect Code

Horizontal

2025-03-18
JS Charat use examples

EG: Copy code code as follows:<html><body><script type="text/javascript"> var str="Hello world!" document.write("The first character i

2025-03-18
Cross-domain value transfer means transferring values between the main page and iframe.

Requirement 1: How to transfer data from main page A to iframe B? In this way, the main page needs to pass data to iframe B, and then iframe B performs specific processing after obtaining the data. The trick is to use the hash value of the location object

2025-03-18
Define private method description in JavaScript (Private Method)

I thought that in the world of JavaScript, all methods were public, and they could not really define a private method from technology. Today I found it again: Actually I was wrong! Copy code code as follows: Var Person = Function (name, sex) { this.Name =

2025-03-18
Eclipse removes JS (JavaScript) verification error

Step 1: Remove the JS verification of ECLIPSE: Windows-> Preference-> Java Script-> Validator-> ERRORS/Warnings-> ENable JavaScript Semature Validation

2025-03-18
New features of HTML5 necessary for front -end interview

What is html5: HTML5 is the next generation of HTML, which will become new standards for HTML, XHTML and HTML DOM. Today, let's talk about a question that I will be asked every time the front -end interview is, which is the new feature of HTML5. This

2025-03-18
Simple example of html5 dragging upload file

A considerable number of functions are implemented on the PC of HTML5, and dragging uploads are also used in the work. Special records that the function triggers the event on the target (source element): onDragStart -user is triggered by the onDrag -eleme

2025-03-18
JavaScript obtain information such as client computer hardware and system information

JavaScript obtains client computer hardware and system information to obtain client computer hardware and system information through WMI: Copy code code as follows: Function Getsysinfo () {var local = new activexobject ("w

2025-03-18

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