javascript objects - Page 372

Prevent flash opening new windows

- by Paul

Is there anyway to prevent flash files (swf) that are embeded within a webpage from opening a browser window? Eg. prevent the links within a flash file from opening new windows. Possibly with javascript/jquery?

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parsing non-strict json, one in which keys are not enclosed in quotes, with Java

- by Nishan

I am trying to parse a string which in JSON format only that keys are not enclosed in quotes. I can very well parse this string in Javascript, but can not find a Java API which will help me parse this. All the APIs I tried assumes strict JSON format. Can anyone suggest a library which has an option to parse this, or a whole new approach to the problem (say like use regex instead) ?

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Validate a string

- by Activist

I'm not that good with regular expressions... I need a JavaScript regular expression that will do the following: The string can contain letters (upper and lower case), but not punctuations such as éàïç... The string can contain numbers (0..9) anywhere in the string, except on the first position. The string can contain underscores (_). Valid strings: foo foo1 foo_bar fooBar Invalid strings: 1foo -- number as first character foo bar -- space föo -- punctuation ö Many thanks!

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How do can I have a dropdown list(select HTML) where i want to have one of the options where i allow

- by Mo

Hi I want to have a drop down menu where a user can select from several predefined options but i also want to give him the option of inserting a user specific value, i was thinking having one of the options as "user specific" which will in turn allow the user to insert a user specif entry in a text box that appears or is editable when user selects the "user specific" option. any one have any ideas how i can implement this is HTML and Javascript? thank you

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Pasting non-text data into browser-based apps

- by John

Imagine I want a user to be able to copy-paste a selection of pixels from MSPaint into a browser-based app. Is this possible using JavaScript in any current browsers? Will it become possible in HTML5? If not, is it feasible using something like Flex/Silverlight, or is it simply not possible at this time, and you'd have to save a file and manually upload it?

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Is it wrong to place the <script> tag after the </body> tag?

- by DanC

Hello everyone, How wrong is it to place the script tag after the closing tag of the body (</body>). ? <html> .... <body> .... </body> <script type="text/javascript" src="theJs.js"></script> </html> Thanks

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IE Positioning Help.

- by _henry

I’m currently working on this theme : http://tf.ffffffive.com/fancy/ I just need a few pointers on how to get it working in IE6 and IE7 . -The positioning is a bit off. -If you guys have a helpful blog post of maybe give me a hand with some CSS coding I would really appreciate it. Also the Javascript scrolling effect isn't working correctly due to the positioning. Any tips would be appreciated. Thanks, Henry

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Is it bad practice to not assign a new object to a variable?

- by Jeff

Is it bad javascript practice to not assign a newly created object to a variable if you're never going to access it? For example: for(var i=0;i<links.length;i++){ new objectName(links[i]); } And again, I won't be accessing it, so there's no need for a variable to reference it.

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What are the js recursion limits for Firefox, Chrome, Safari, IE, etc?

- by Maciek

I've got some Javascript code which uses fairly deep recursion and I'd like to find out what the recursion limits in the various browsers are (i.e. the point at which the error "too much recursion" will happen). Anyone have any solid numbers on this, by version?

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Why not always use https when including a js file?

- by Jones

For what reasons do sites provide logic to switch between http/https protocols for JavaScript include files? Why not always use https?

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Replace first character of string

- by MgS

I have a string |0|0|0|0 but it needs to be 0|0|0|0 How do I replace the first character ('|') with (''). eg replace('|','') (with JavaScript)

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How to run jQuery onClick? Need to pass a variable to run .ajax

- by user205307

I'm trying to run .ajax and insert a data element from the onClick of an item from the page. Whats the best way to do this? Something like this: function grabinfo(foo){ $.ajax({ url: "infospitter", method: "GET", data: "id="+foo, success: function(html){ $(#showstuff).html(html); } }); } <input onClick="javascript:grabinfo(18343)" /> // and on page each item will have this button input

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trim a string in jquery

- by amit

i need to trim a string to its first 100 characters using jquery/javascript. also is it possible to scan a string and look for a particular combination of keywords such as #key? thanks a lot for the help.

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How can I check, if a scrollbar is visible?

- by brainfck

Hi, I want to display a "Go to top"-Link on my website. This link should only be visible, if the vertical scrollbar is visible. How can I do this using JavaScript? Thanks

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object required error

- by stack5

where is error? <script type="text/javascript"> document.write(parent.document.getElementById('ifr2').src) </script>

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How do i get the full path of the file in Firefox

- by majc

How do i get the full path of the file in Firefox with JavaScript? Thanks in advance!

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How to detect what Library is behind the $ function?

- by clops

I am developing some JavaScript that should work with either Prototype.js or JQuery, thus I need some way to identify what is the primary library in use. How can I do that?

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Captcha Decoded

- by Web Lover

Hi, I have seen some captchas being decode using javascript, php, etc. How do they do it? For example, very popular megaupload site's captcha has also been decoded.

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Getting Javasctipt Object key list

- by basit74

I have a Javascript Object like var obj = { key1: 'value1', key2: 'value2', key3: 'value3', key4: 'value4' } How can I get the length and list of keys in this object.

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How to communicate between ASP.NET and an Excel workbook

- by Jipy

Is there a way to load an Excel document in a web page and communicate with the excel control using code behind? (JavaScript or Asp.NET) ?

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List of All Background Images in DOM

- by AutomaticDrone

What's the best way to find all of the background images on a given page using javascript? The ideal end result would be an array of all of the url's.

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How to get all elements inside "div" that starts with a known text

- by misha-moroshko

Hello, I have a div element in HTML document. I would like to extract all elements inside this div that starts with a known text (e.g. "q17_"). How can I achieve this using JavaScript ? (If needed, for simplicity, I can assume that all elements inside the div are of type input or select.) Thanks !

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Dynamic Text limit when users writes in a textbox (HTML)

- by DomingoSL

Hello, I need to implement in Html/javascript (or php is possible) a script which works like twitter, when the user writes text in a field a label change showing the characters left. Can you help me with a simple and easy script example?

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Change css class depending on label's text

- by abatishchev

I have asp:Table with number of asp:Label inside asp:FormView, it represents short stats info. I need to set Label.CssClass to "red" if it's text isn't "0". Currently I do this on FormView.DataBound event. But think that it's better to use JavaScript and probably jQuery. How can I do that?

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Create servlet from existing Java project

- by user69514

I have a Java Swing project for my class. I would like put it on my website so people can use it. However I'm not sure if there is a way to turn it into a servlet. Or do I need to know JavaScript? I'm confused. Is there a way to make my swing application into a servlet automatically?

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