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Web design tutorial

How to insert html content and text content at a specified place

dhtml provides two methods to add, insertAdjacentHTML and insertAdjacentText insertAdjacentHTML method: insert html tag statement at the specified place. Prototype: insertAdjacentHTML(swh

2025-01-24
Sample code for using html2canvas.js to capture page screenshots and display or upload them

I recently used html2canvas.js when writing projects, which can realize the screenshot function of the page, but I encountered many pitfalls, so I will write an essay to record them. When using html2canvas, you may encounter problems such as only the visu

2025-01-24
Simple sample code to compare two time sizes in JS

As shown below: Copy the code The code is as follows: if (new Date(strSD.replace(//-/g, '//')) > new Date(strED.replace(//-/g, '//')) ) { //The start time is greater than the end time alert("Time selection

2025-01-24
Dynamically load external css or js files

Principle analysis: Step 1: Use dom to create<script>或者<link>标签，并给他们附加属性，如type等第二步：使用appendChild方法把标签绑定到另一个标签，一般是绑到<head>.

2025-01-24
js example of precision processing of decimal addition

Copy the code as follows: zf = accAdd(zf, parseFloat("12.11")); //Addition function, used to obtain accurate addition results //Explanation: The addition result of JavaScript will have errors when adding two floating point numbers. will be more

2025-01-24
The best solution to the png transparency problem under IE6

Originally it was just a png transparent picture, which is easy to solve under IE. I have also tried many methods, including js method, filter css method, etc., but I feel that overall it is not perfect, and if I use the Sprites method at the same time ,

2025-01-24
An in-depth analysis of enumeration functions in JavaScript

Since the Microsoft AJAX Library has greatly expanded JavaScript, the commonly used function of enumeration has of course been added. This time we will discuss the enumeration function of JavaScript. Since the example is very simple, just look at the HTML

2025-01-24
CSS 3 Tutorial: Understanding the box-sizing property

In IE5.x and IE6/7 in Quirks mode, both border and padding are included in width.

2025-01-24
Example of using window.onload append function

Copy the code code as follows:<script type="text/javascript"> function tt1(){ alert('tt1') ; } function tt2(){ alert('tt2') ; } function tt3

2025-01-24
Usage and difference analysis of innerHTML, outerHTML, innerText, outerText

<p><div id="div" style="background-color:#ff9966;border:1px #ff0000 dashed;"><span>This is a layer</span></div>

2025-01-24
Use js to determine the value of the TextBox control and then trigger the event

Copy the code code as follows: <script language="javascript" type="text/javascript">var firsty;//最开始的加载页面时年和月var firstm;var secondy;//当onchang

2025-01-24
A brief discussion on new and abandoned tags in HTML5

1. HTML 4.01 elements below obsolete tags have been deleted in HTML5. Although browsers still support these tags for compatibility reasons, it is recommended to use new alternative tags. The paradox is that old browsers do not support the new tags. It’s n

2025-01-24
The background of the pop-up layer implemented by javascript is grayed out - simulation (easyui dialog)

The page is rather ugly and only functions are implemented. ^ ^ Copy the code code as follows:<title> Imitate the effect of easyui dialog</title><script> //取得页面元素 var getElement = function() { return doc

2025-01-24
Detailed explanation of classic examples of HTML5 drag and drop API

1. About the drag and drop API. The drag and drop API is a new feature of HTML5. Compared with other new features, it accounts for 60% of the importance and 30% of the usage in actual development. I think the learning requirements are enough to master. de

2025-01-24
JS digital conversion research summary

There are three types of five methods for converting data into numbers in JS, including: Forced conversion, the basic data types of JS are converted into the corresponding types (Number(v)) Native functions, these two functions have different results ( pa

2025-01-24

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