Base64 is one of the most commonly used encodings, such as the development of passing parameters, the <img/> tags in modern browsers to render pictures directly through Base64 strings, and for messages and so on. The BASE64 encoding is defined in RFC2045, which is defined as: Base64 content transfer encoding is designed to describe the 8-bit byte of any sequence as a form that is not easily recognized directly by the person. We know that any data is stored in binary form on the computer. One byte is 8 bits, one character is stored in the computer ...
The article uses a sample application to demonstrate DOM methods and properties and how to attach handlers to DOM events. The World Wide Web Consortium (WWW) has defined the Document Object Model (DOM) in different spec groups (DOM 1, Dom 2, and DOM level 3). The DOM represents HTML or XML as a tree that consists of nodes with different levels of properties and methods. Using the client language such as JavaScript, you can add, modify, and delete nodes in the tree ...
Intermediary trading SEO diagnosis Taobao customer hosting technology hall has been looking for a period of time for their own pop-up code, the demand is this: 1. The relatively high pop-up rate. This is a must, but also for IE6, IE7, FireFox, surfing, surfing 2, Netscape, etc. have high pop-up rate. Otherwise the meaning of the pop-up window is greatly reduced; 2. Can only within a specified time (such as 24 hours), only pop-up; 3. In the normal pop-up failure, the user clicks to continue pop-up window. such...
<html> <head> <title> Get the specified elements of the HTML file </title> <script language= "JavaScript" > function GetElement1 () {Alert (document.all ("myH2"). TagName);
As one of the three logic control structures of program language, loop is often encountered in actual development. We often encounter this application in the use of the looping structure of JavaScript programs. Loops on the length of an object and processes each element of the object. such as the for (Var i=0;i<a.length;i++) {Sum+=a[i]} is just a simple example, and many program developers have studied questions about the efficiency of their execution as a program. So there are the following two ...
If there are spaces or other delimiters in the string, you can split the Split method, return an array, and then pass the year and month in the array as arguments to new date () to generate the date type; if there is no special separator, you can use SUBSTR (x, Y) method to take a substring to generate a date, substr (X,y), X represents the start of the string, and Y indicates the length of the substring! If the string is "/" split can be converted using Date.parse (DATESTR) ...
CSS page layout will often appear a lot of IE and ff incompatibility problem, the following collation of some common possibilities and solutions! 1, with!important solution ie and Mozilla layout difference!important is the CSS1 definition of the syntax, the role is to improve the application of the specified style rules priority, the most important thing is: IE has not supported this syntax, and other browsers are supported. So we can use this to give IE and other browsers different style definitions, for example, we define this kind ...
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