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• Is there a standout JavaScript and CSS tutorial or reference?

  - by user225626

  The 'K&R', 'Red Book', 'Camel' of JavaScript and CSS? When you see a site like www.cmegroup.com or www.gs.com, what reading material do the developers likely have on their shelves?

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• what basic tips should we observe in design web pages(html/css/javascript) for having highest compat

  - by user1400

  hi all what basic tips should we observe in design web pages(html/css/javascript) for having highest compatibility with most browsers(IE-firefox-opera-chrome-safari)? thanks

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• How do you check if a variable is an array in JavaScript ?

  - by Andy McCluggage

  I would like to check whether a variable is either an array or a single value in JavaScript. I have found a possible solution... if (variable.constructor == Array)... Is this the best way this can be done?

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• How can I get client side information using either Javascript or Java Servlets?

  - by reply2viveksshah

  How can I get client side information using either Javascript or Java Servlets? Client side information such as client's computer name, its IP Address etc. Thanks in advance.

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• How to detect ctrl+v ,Ctrl+c using Javascript?

  - by Ramakrishnan

  How to detect ctrl+v ,Ctrl+c using Javascript? i need to restrict pasting in my textareas,end user should not copy and paste the content, user should only type text in text area. how to achive this. Thanks in advance.

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• Can I access the value of invalid/custom CSS properties from JavaScript?

  - by Alessandro Vernet

  Assume I have the following CSS: div { -my-foo: 42; } Can I later in JavaScript somehow know what the value of the -my-foo CSS property is for a given div?

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• Is there an open source javascript rich text editor similar to gmail's?

  - by Spines

  I've looked at free javascript html editors, and I haven't found any that I feel handle links intuitively. I like the way the gmail editor does it (also the same way blogger.com) does it. Does anyone know if there is an open source editor that handles linking that way? Jquery would be preferable.

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• What should be the correct javascript syntac in this case?

  - by Vafello

  I have a code that is a mmix of html and js. I cannot get it correct. location.description + '<br><a href="javascript:void(0);" onclick="showStreet;">ShowStreet </a><br>'+ location.lat + '<br> + location.lng Can anyone help me with it?

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• How do I use HTML inside a JavaScript code?

  - by Anonymous the Great

  I want to change the page, I'm not sure if it is possible with JavaScript, so I tried with HTML, and it failed. if (text=="home") {'<meta http-equiv="REFRESH" content="1;url=index.php">'; return;} Any ideas on how to do this?

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• How do you access the main obj from obj.foo.bar in javascript?

  - by bschaeffer

  Objects in javascript throw me for a loop! In this set up... var obj = { someVar: "my awesome variable", foo: { bar: function(){ alert(this.someVar); } } }; How would I get obj.foo.bar to correctly alert the value of someVar?

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• How to pass parameters in when call code-behind function in javascript?

  - by KentZhou

  Suppose I have a function in code behind like: Public Function Calc(ByVal ID As Integer) As Boolean '...... End Function I can call this function in javascript like var isSuccess ='<%=Calc()%>'; but how to pass the parameter in for this case? Following code not working: var ID = 1; var isSuccess ='<%=Calc(ID)%>';

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• In Javascript, if there is an object with a lot of properties that can functions, how do you convert

  - by Jian Lin

  In Javascript, if an object has lots of properties that are functions: var obj = { foo: function() { ... }, bar: function() { ... }, ... } then how can you get an array of names of those functions? That is, an array ["foo", "bar", ... ] thanks.

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• What's the reason behind to include a engine in Java to run JavaScript?

  - by developer.cyrus

  To let JavaScript able to run in server-side? If it's justified, what's the advantage? and any good application for such use?

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• Can JavaScript load raw bytes to use in HTML 5 Canvas?

  - by whiskeyspider

  Say I had a file like... http://my.website.com/myfile.raw and this file was just raw bytes, representing an intensity image. Is it possible to grab this data and read the bytes in JavaScript? And then using it with HTML 5 canvas (e.g., putImageData) to draw an image? Or is there some other way to do this in the browser without Java or Flash?

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• Javascript writing to file system,how is this kinda stuff approached?

  - by user198729

  http://www.tiddlywiki.com/ The above site provide a wiki tool which essentially is just a .html file,but it can save files via javascript,anyone knows how is it implemented?

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• Ruby equivalent to JavaScript’s encodeURIComponent that produces identical output?

  - by Mo

  Hi is there an equivalent ruby method to JavaScript encodeURIComponent method? i am using the URI.unescape(str) but it recognizes the "£" (after encodeURIComponent it becomes "%C2%A3") as a "?" sign. any solution's? thanks

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• How can I write an iPhone app entirely in JavaScript without making it just a web app?

  - by Jeff

  I don't want to take the time to learn Obj-C. I've spent 7+ years doing web application programming. Shouldn't there be a way to use the WebView and just write the whole app in javascript, pulling the files right from the resources of the project?

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• How to automatically uncheck a checkbox if another checkbox is checked through javascript?

  - by Sandipan

  I have a checkbox Birthdate which shows the mm/dd only.And below it there is another checkbox called ShowYear which shows the year and this checkbox is only visible if the Bithdate checkbox is checked. Now I want to uncheck the ShowYear checkbox automatically if the Birthdate checkbox is unchecked through javascript.

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• Javascript regex to match a string that ends with some characters but not with a particular combinat

  - by nimcap

  Let's say using Javascript, I want to match a string that ends with [abcde] but not with abc. So the regex should match xxxa, xxxbc, xxxabd but not xxxabc. I am utterly confused.

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• FF extension. how to show data extracted in a javascript function to the dropdown menu in the browse

  - by encryptor

  I am developing a ff extension. On one menupopup, the onpopupshowing calls a javascript function. Tha JS function extracts a list of names. Now these names have to be displayed in the same popup. How can i get this? Basically i will need to pass the data (just as we use beans in java) to the browser from the JS function. The data can change everytime the popup is called.

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• Javascript array best practice to use [] instead of new array?

  - by AlfaTeK

  I read at many tutorials that the current best practices to create a new javascript array is to use "var arr = []" instead of "var arr = new Array()". What's the reasoning behind that?

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• How do I make a "input type text" go invisible with JavaScript?

  - by Anonymous the Great

  <input type="text" value="Text box"/> <input type="button" onclick="toggle();"/> How do I make the text box disappear and reappear with JavaScript?

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• How to make a valid string for XML in JavaScript?

  - by MartyIX

  I'm looking for a function to convert a string to the xml string with xml entities where needed. Something like htmlentities in PHP but for XML and in Javascript. Thank you for any help!

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• How to pass a parameter to a javascript through a url and display it on a page ?

  - by Frank

  For instance, I have a url like this : www.mysite.com/my_app.html How do I pass a value " Use_Id = abc " to it and use javascript to display on that page ?

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• how do i base64 encode and decode using javascript?

  - by Mo

  Hi just wondering if there are any methods in JavaScript that i can use to encode and decode a string using base64 encoding? thank you

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