web scraping javascript

This article from: http://blog.csdn.net/huangguaxuan/archive/2008/05/14/2446468.aspx Introduction:Aptana ide has now been renamed to Aptana Studio. This IDE is backed by venture capital support and aims to provide web developers with an eclipse-based ide dinner. It now supports multiple Ajax and JavaScript toolboxes, including JavaScript editing and debugging. It

initial data.Getallbooks ();}; Ko.applybindings (NewViewModel ());In knockout, the observable class enables data binding. When the content of observable changes, observable notifies all data-bound controllers, so they are able to update themselves. (whereas the observable class is a observable array version.) Starting with this, our view model has two observable:1, books Maintain books list.2, error contains errors if the AJAX call failsThe Getallbooks method generates an Ajax call to get the b

: Object type detection between different window or IFRAME cannot use instanceof!{%note danger%} can be used to detect custom objects and native objects {%endnote%}[1, 2] instanceof Array === truenew Object() instanceof Array ===falseObject.prototype.toString.apply (){%note%} is suitable for built-in objects and basic types to detect null compatibility issues {%endnote%}Object.prototype.toString.apply([]); === "[object Array]"Object.prototype.toString.apply(function(){}); === "[object Function]"

General printing (full page printing) printing part of the content in the web page (custom) Printing remove/Add a header and footer using external controls/methods to achieve multi-function printing print background The above is code control Set "page settings" to set printing parameters (Windows system graphic version) I. general printing (full page printing)This can be used directly. Reference: window. print (); Ii. print some content in the webpage

Recently has been studying DEDECMS, ready to build the station, has been in the want to use without pseudo static, to now have not decided to come down, think about it, the best way to look at the same type of Web site is static or pseudo static. Then we open a Web site, in the basic knowledge is not enough, how to quickly and easily determine the Web page is sta

If you do not know how to use these web debug debugging plug-ins in front-end development, I will summarize the five js and web debug debugging plug-ins, I hope it will be helpful to you. Debugging technology is essential in front-end development. This article will introduce five debugging technologies necessary for front-end development. Weinre mobile debugging DOM breakpoint Debugger breakpoint N

. Javascript2. Flash3. Silverlight I have not found flash and Silverlight, But I have written a lot of JavaScript code. Two of them can be used.1. http://www.treemenu.net/this name is the largest, but not every skin is compatible, like my favorite KJC with this Treeview, the tree cannot be automatically expanded. 2. http://destroydrop.com/javascripts/tree/, which I recently discovered, is the Treeview currently used on my left side, the program is

Downloading Web pages in PHP is simple $url='https://segmentfault.com/q/1010000000149454'; $data=file_get_contents($url); $target=fopen('/tmp/test.html',"w"); fwrite($target, $data); fclose($target); The $url is downloaded locally and saved as a/tmp/test.html file. 1. How to save the current pageEnter in the browserHTTPS://SEGMENTFAULT.COM/Q/10 ...Open this pageThen, in the consolevar content = document.getElementsByTagNa

Ocument.head.appendChild (style);// Build and return a single functionreturn function (rule) {style.sheet.insertRule (rule, style.sheet.cssRules.length);};} ) ();/Then call as a Functionsheet (". stats {position:relative; top:0px} ");These practices are very efficient, and in some scenarios, such as using AJAX to load a new piece of HTML, you do not need to manipulate the newly loaded HTML content. 　 determine if a page element has a property and style Matchesselectorfunction Matchesselector (e

This article mainly introduces the use of JavaScript to refresh the Web page, is JS is commonly used to achieve one of the most basic functions, the need for friends can refer to the You can use the JavaScript Location.reload method to refresh a Web page. When the user clicks on a link this code can be invoked automat

How to create a parallax effect of the site, in this article we will introduce you to create parallax effect through JavaScript, without using any third-party libraries such as jquery, in the production of parallax effect, the different elements of the Web page to move at different speeds, generally speaking, Objects farther away from the user move at slower speeds than objects near them, and vice versa. H

+ backgroundoffset;} var Scrolltimer = Window.setinterval (SCROLLBG (410), 20) 22. Web pages are not cached HTML Web page or ASP Web page Response.Expires =-1 Response.ExpiresAbsolute = Now ()-1 Response.CacheControl = No-cache PHP Web page Header (Expires:mon, June June 1997 05:00:00 GMT; Header (Cache-control:no-

JavaScript is inserted to HTML pages by using the To embed JavaScript into a HTML page, leaving it inline with the rest of the markup, or to includeJavaScript that exists in an external fi le. The following is key points:? To include external JavaScript files, the SRC attribute must is set to the URL of the fi le toInclude, which may is a file on the same server

One JavaScript instance per day-determine the region of the web page, and define criptweb How does html jump to another page JavaScript? Parameters can also be added to html pages. For example, 2.html? Id = 2Then you can use javascript in 2.html to obtain the parameter value.The method for obtaining url parameters is

and onmouseout EventsThe onmouseover and onmouseout events can be used to trigger a function when a user moves the mouse over an HTML element or moves out of an element.InstanceA simple example of onmouseover-onmouseout: DOCTYPE HTML>HTML> Body> Divonmouseover= "MOver (this)"onmouseout= "Mout (this)"style= "Background-color: #D94A38; width:200px;height:50px;padding-top:25px;text-align:center;">Mouse over MeDiv> Script> functionmOver (obj) {obj.innerhtml="Thank you"

Learning how to use JavaScript to create Web ApplicationsProgramPreviously, we spent three minutes learning about the development of Web applications, which is roughly divided into four stages: 1. text-based hyperlinks In this phase, web applications mainly consist of static and unchangeable hyperlink text (no graphi

1th Chapter Network Platform1.1 Brief description of the term1.2 Who you are, what you need to know1.3 Learn what HTML5 is1.4 The real HTML51.5 CSS3 and others1.6 Browser support1.7 testing, re-testing, more testingSummarize2nd Chapter Structure and semanticsNew elements of 2.1 HTML52.2 Web legibility Initiative's barrier-free Rich Internet application component (Wai-aria)2.3 Importance of Semantic markup2.4 Micro-format2.5 RDFa2.6 Micro-data2.7 Data

, considering some factors, may replace the backbone, but it is not the current feasible solution. In order to learn is a program, but also in order to better popularize certain things. Handlebars Handlebars is an improvement of mustache, display and logic separation, syntax-compatible mustache, can be compiled into code, improve mustache support for paths, but need to run on the server side JavaScript engine such as node. js. ProjectThe fron

The example in this article describes the way JavaScript implements the local program in a Web page. Share to everyone for your reference, specific as follows: More readers interested in JavaScript-related content can view the site topics: "JavaScript error and debugging skills Summary", "

, many of the sites are also on their own page in this form, but most of the hierarchical directory is static, that is, they are written in simple JavaScript or HTML, so when the content of the Web page changes, The source code of the Web page must be modified, the disadvantage of this is obvious, but the main disadvantage is that the maintenance of the page to a