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Unobtrusive javascript : <script> at the top or the bottom of the html code ?

- by e-satis

I've recently read the Yahoo manifesto Best Practices for Speeding Up Your Web Site. They recommend to put the javascript inclusion at the bottom of the HTML code when we can. But where exactly and when ? Should we put it before closing </html> or after ? And above all, when should we still put it in the <head> section ?

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how to clear authentication cache on ie7 with Javascript?

- by Marco

We need to clear the authentication cache in IE with Javascript. On IE6 we use: document.execCommand('ClearAuthenticationCache'); and it works. On IE7 it doesnt work. what can i do? thanks...

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How to read a txt from an Open File dialog and load the content in a textarea with javascript (jquer

- by Sebastian

I want to make an "Open File" button to import txt files contents into a textarea. How can I read the file contents without uploading it to the server? I want to use javascript (with jquery lib) and I want to do it without refreshing the page.

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Why does the month argument range from 0 to 11 in JavaScript's Date constructor?

- by Agnel Kurian

When initializing a new Date object in JavaScript using the below call, I found out that the month argument counts starting from zero. new Date(2010, 3, 1); // that's the 1st April 2010! Why does the month argument start from 0? On the other hand, the day of the month argument (last one) is a number from 1 to 31. Are there good reasons for this?

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I need to to open a new window in the background with JavaScript, and make sure the original is stil

- by IsaacL

I have a window I'm opening with a Javascript function: function newwindow() { window.open('link.html','','width=,height=,resizable=no'); } I need it that once the new window opens that the focus returns to the original window. How can I do that? And where do I put the code - in the new window, or the old one? Thanks!

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How can I create a Zerofilled value using JavaScript?

- by Wilco

What is the recommended way to zerofill a value in JavaScript? I imagine I could build a custom function to pad zeros on to a typecasted value, but I'm wondering if there is a more direct way to do this? Note: By "zerofilled" I mean it in the database sense of the word (where a 6-digit zerofilled representation of the number 5 would be "000005").

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google app engine: go to login page by javascript?

- by user342284

Do anyone know how do use javascript to redirect user login using Google Accounts? I know there is "users.create_login_url(self.request.path)" but how do that integrated to "`window.location" Or there is alternative??

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How to construct an Atom object in Javascript and POST it to an URL?

- by user319525

I'm trying to create a table using google spreadsheet API as described here http://code.google.com/apis/spreadsheets/data/3.0/developers_guide_protocol.html#TableRecordFeeds But I'm not sure how to construct the Atom object in Javascript and POST it to an URL.

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How to check if an element is really visible with javascript.

- by Macha

In javascript, how would you check if an object is actually visible. I don't just mean checking the visibility and display attributes. I mean, checking that the element is not visibility:hidden or display:none underneath another element scrolled off the edge of the screen. EDIT: For technical reasons, I can't include any scripts. I can however use prototype as it is on the page already. EDIT 2: This is no longer neccesary, but I'd still find an answer interesting)

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How to get date in specific locale with JavaScript?

- by George Edison

I need to get the date in a specific locale using JavaScript - not necessarily the user's locale. How can I do this? I did some research and found date.getUTCMonth() and date.getUTCDate(). How can I use this or something else to get the date in a certain locale?

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Disabling Export to MS Excel option on right click in browser using Javascript.

- by user258427

Hi guys, Is there any javascript to disable "export to microsoft excel option" on right click in browser. though it can be done using web.config, but there is this need to do it using js. TIA Bibhu

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Is it possible to copy, paste, open new window in javascript?

- by Jenski

At the moment to get to an external link from our intranet, we have to copy the link, and paste the link into a new window. Is there any way we can achieve this in a single function in javascript? Thanks

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How to use JavaScript to measure how bright a users monitor is ?

- by HankV

I've noticed that the brightness of computer monitors drastically varies between computers. As such, this changes the look of web pages greatly. Is there a way to use JavaScript to automatically detect how bright (or dark) a users monitor is so that I can adjust my web page colors accordingly? UPDATE Please note that I do not want manual user involvement. I want this detection to be automatic so that users don't realize I dynamically change the color palette automatically based on the brightness/darkness of their monitor.

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How to get the Input checkbox id value using javascript?

- by rockers

I have input checkbox something like this.. <input class="inputchbox" id="Pchk" type="checkbox" name="check" value="<%=Model.ID%>" /> using javascript I need to get the all checkbox checked Ids in to the array? how do I need to get? thanks

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How to get this JavaScript class member to return a value?

- by George Edison

I have a JavaScript class that has a method: function someClass() { this.someMethod = someClass_someMethod; } function someClass_someMethod() { // make an AJAX request } The problem is that someClass_someMethod() needs to return the value of the AJAX request. I'm using jQuery's $.getJSON() method to fetch the data. The data needs to be returned but it seems the only way to get the data is through a callback. How can this be done?

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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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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 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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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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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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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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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 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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