javascript filereader example

This article demonstrates how to use the checkbox in javascript through simple examples. interested friends can refer to the example in this article to describe the stretching and shrinking menu code implemented by JavaScript. Share it with you for your reference. The details are as follows: The running effect is as follows: (1) select all (2) partially selecte

This article mainly introduces window in JavaScript. the example analyzes window. the functions, parameters, and usage skills of the open method have some reference value. if you need them, you can refer to this article to analyze the window in JavaScript in detail. open usage. Share it with you for your reference. The details are as follows: The code is as fo

The following JavaScript function is used to make no refresh to determine whether the user name and password are correctThe following section is the source code of login_go.php:Require_once (".. /class/_conn.php ");if (Isset ($_request["user"]) $_request["user"]) $user = Trim ($_request["user"]);if (Isset ($_request["PSW") $_request["PSW"]) $user = MD5 (Trim ($_request["PSW"));if (Isset ($_request["coder"]) $_request["coder"]) $coder = Trim ($_request

The following small series will bring you a javascript code strength test [Example ]. I think it is quite good. Now I will share it with you and give you a reference. Let's take a look at this article with a small Editor. This article mainly introduces examples of js Implementation of password strength detection. The first example shows all the code that can be r

A simple JavaScript class definition example A simple example of JavaScript Public Member definition, Private member definition, and privileged method definition is provided.Java code

This article mainly introduces the method of javascript permission Selection Based on DOM. The example analyzes the related skills of javascript in page element selection and deletion operations, which is very useful, for more information about how to select permissions based on DOM, see the example in this article. Sh

This article mainly introduces how to count the number of occurrences of each character in a string in JavaScript, and analyzes the skills related to the traversal operation of characters in a string in the form of a complete example, for more information about how to count the occurrences of each character in a JavaScript string, see the

This article mainly introduces the colorful triangle effects drawn by JavaScript + html5canvas, and analyzes the related techniques of html5 canvas graphics in the form of a complete example, for more information about how to draw a colorful Triangle using JavaScript + html5 canvas, see the following example. We will s

This article mainly introduces a simple example of JavaScript to verify integer plus to retain the decimal point. If you need it, please refer to it. The Code is as follows: Function validateNum (obj ){// Positive integer (cache is used here)Var number = obj. data (validate). number;// Decimal point (cache is used here)Var decimal = obj. data (validate). decimal;// Dynamic Basic verification Regular Expre

This article introduces a small example of setting up the homepage and adding to favorites in JavaScript. For more information, see The Code is as follows: JavaScript settings homepage and favorites page (compatible with IE and Firefox) Script// Url: the link to be added to favorites; title: The name of the added itemFunction AddFavorite (url, title){// If

This article describes how to obtain link parameters in JavaScript. If you want to use url to transmit parameters, you should be familiar with it. For example: Http://www.softwhy.com/home.php? Mod = space do = home view = all Since parameters are passed, we naturally need to obtain the passed parameters. Of course, there are many ways to obtain parameters. Here we will introduce one of them and share the

JavaScript Example 10 (Form serialization) and javascript serialization

This article mainly introduces window in JavaScript. the example analyzes window. the functions, parameters, and usage skills of the open method have some reference value. If you need them, you can refer to this article to analyze the window in JavaScript in detail. open usage. Share it with you for your reference. The details are as follows: The Code is as fo

This article mainly introduces in detail javascript prototype inheritance, clarifies what prototype inheritance is, and how to use prototype inheritance in JavaScript, if you are interested, you can refer to the example of JS prototype inheritance for your reference. The details are as follows: I. JS prototype inheritance JS prototype inheritance

This article mainly introduces how to display the world time in JavaScript, which can be the current time of major cities in the real world. It involves the acquisition and Operation Skills of JavaScript for time, for more information about how to display world time in js, see the example in this article. We will share this with you for your reference. The detail

This article mainly introduces how JS can preview HTML code that can directly display the running effect of webpage code. it can directly run html code by obtaining the content of the text box and printing the output in a new window, it is simple and practical. if you need it, you can refer to the example in this article to describe the HTML code preview function that JS can directly display the webpage code running effect. Share it with you for your

This article mainly introduces the example of javascript event processing. If you need a friend, you can refer to the example code below: The Code is as follows:

This article mainly introduces how to use prototype to define object attributes in JavaScript. The example analyzes prototype functions and usage skills, which has some reference value, for more information about how to use prototype to define attributes for an object, see the example in this article. Share it with you for your reference. The specific analysis is

When operating element locating elements, you will think of using js for implementation. Below is a good example. You can look at the operating element locating elements. Using js for implementation is a good choice, the following is an example. If you need it, you can check it out. One JavaScript instance per day-operating element locating Element Script

As long as this article introduces a simple example of implementing the digit + letter verification code in javascript, you can refer to the example below for help: The Code is as follows: Js Verification Code