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To obtain the image of the img tag on the UIWebView page, you can obtain the URL and download it again. The image consumes traffic, time, and cannot pass verification. Here we use the stringByEvaluatingJavaScriptFromString function of UIWebView to execute a javascript code and return the image to be obtained from the img tag on the UIWebView page. The method on the Internet is to obtain the URL and

Source: Generate a ZIP archive on the web side via JavaScript and downloadWhat is Zip.js?Zip.js's GitHub project address: http://gildas-lormeau.github.io/zip.js/The zip.js encapsulates a plug-in that generates a ZIP file on the Web page, creates a compressed package containing folders and files directly in the Web page, and can also customize the name and download it.How to use:1: Reference Zip.js2: quoting

Updates, this time using JavaScript to mimic the download progress bar effect. Principle: Two div nesting, inside the width of 0, outside their own arbitrarily defined, using the SetInterval () function to increase the width of the div inside the value, so that its background color slowly spread out, while adding a count of the value "index" to indicate progress. UsingThe window.getComputedStyle () function

Packer3.0JS compression and obfuscation tool download an open-source tool for JAVASCRIPT encryption PACKER2.0.2 This is not a very complex coding tool, which can be directly recognized by the browser After encoding. Sina is in use. For example: http://comment4.news.sina.com.cn/comment/cmnt_xml.js Go to http://dean.edwards.name/packer/, which is simple. Easy to set Numeric (Base 10): All characte

This article to share is the use of Python crawler crawl lazy Gallery of the JS Script effect template code, using the Third-party library gevent to achieve, the need for small partners can refer to. This is a simple Python script, mainly from the lazy library download JavaScript effects template, in the script used gevent this Third-party library, the use of the need to install first. ? 1 2

I sorted out the Javascript syntax coloring engine I wrote last year and provided the download. Even if you like it In general, it is very simple. It only provides the coloring of keywords and some basic syntaxes (such as comments, strings, and regular expressions). It is easy to see its usage in the demo, here is a brief introduction: Class Name: lighter You can use new lighter () to obtain a coloring e

This is a simple Python script, the main download from the Lazy library JavaScript effect template, in the script used gevent This third-party library, the use of the need to install first. #!/usr/bin/python#-*-coding:utf-8-*-import urllib,os,sysimport gevent,refrom gevent import monkeyfrom BS4 import Beau TifulSoupgevent.monkey.patch_socket () "Description:python Crawler Crawl Lazy People Library JS scrip

I. Summarize the key points and problems encountered1. Inheritance in javascript. It is recommended that the parent class only provide method sharing, and the attributes should be written to the Child classes of the parent class and the constructor of the Child classes.2. prototype simulate inherited code, which should be written before the definition of all methods. Otherwise, if the prototype object is changed, the method becomes undefined, for exam

No more nonsense, first effect chart: View Demo Source Download Code in JavaScript var spans=document.getelementsbytagname ("span"); var flag=5;//this value arbitrarily take, as long as not 01234 on line var expand=function () {//Extension code, no}; Onload=function () {///loop Load mouse move event for (Var i=0;i Code in the body The above code is very simple,

Should be proud of the suggestion of the snake, I tidied up a bit last year wrote the JavaScript syntax coloring engine, and provide downloads, like even though take it, hey In general, it's very simple to provide a keyword coloring as well as some basic syntax (such as annotations, strings, regular, and so on), which should be easy to see in the demo, here is a brief introduction: Class Name: Lighter With the new lighter () you can get a shaded engin

First, summarize the key points and problems encountered Inheritance in 1.javascript, the best parent class provides only method sharing, attributes are written to their subclasses, and the constructors of the parent class and subclass are not promiscuous. 2.prototype simulate inherited code that should be written before all method definitions, otherwise the prototype object is changed and the method becomes undefined, such as: Copy Code code

I'm afraid few people don't know about fruit ninja. It is a very popular casual game on iOS, Android, and other mobile platforms. I have to say that it is a simple and interesting method of "Fruit Cutting", which has really benefited many people, both men and women, there are several people who like to cut down a few when bored ~ Although Fruit Ninja has not officially launched a web version, there are already many counterfeits on the Internet (mostly made by flash ). What we will introduce toda

This article mainly introduces the complete examples of JS password generation and strength detection, including JavaScript password generation, cracking time calculation, password security monitoring, case lock judgment, and other functions, the demo source code is provided for readers to download and reference. If you need it, you can refer to the examples in this article to describe how to generate and d

Recently in doing some JS work, through the promotion of various great gods, sorting out 10 more classic JS books.As a scripting language, JS plays an indispensable role in web development. The launch of the HTML5, so that it is more fire added fire.How to learn JS this language, I put these 10 books into 4 levels, respectively, is the introduction, advanced, high-level, framework.Then you can choose the corresponding level of the book, to accumulate to update their skills. Not necessarily very

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function Loadscript (url,callback) { var script=document.createelement ("script"); Script.type= "Text/javascript"; if (script.readystate) {script.onreadystatechange=function () { if (script.readystate== "Loaded" | | script.readystate== "complete") {Script.onreadystatechange=null;callback ();} ;} } Else{script.onload=function () { callback (); }; } ; Script.src=url; document.getElementsByTagName ("Head") [0].appendchild

This article describes the JavaScript implementation of the client-compatible browser to create a CSV and download the method. Share to everyone for your reference. The implementation methods are as follows: $ ("#radarDLBut"). Click (function () { var data = [displaydata["Radar_chart"] ["R_label"],displaydata[Radar_chart "] [" R_default "]]; var csvcontent = "Data:text/csv;charset=utf-8,\ufeff"; if

This article mainly introduces the online color palette implemented by JS, which allows you to dynamically change the color of the palette by responding to mouse clicks. It involves the dynamic operation and computing skills of JavaScript For page element attributes, the demo source code is provided for readers to download and reference. If you need it, you can refer to the example in this article to descri

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One of the usual ways that webmasters used to let the user click on the ads to see the real content, the most use is to click on ads after the display download address, this function is very helpful to advertising revenue, but lost the user experience, as far as possible or not to use the frequency, the code sent up, It's mainly for learning JavaScript. The code is as follows Copy Code