javascript

Have Javascript insert a backspace within ContentEditable Div.

An odd request, I know. I want Javascript to pretend the user just pressed the backspace. That's all I really want, if you want more info: My last topic here, gives more explaination. In short: I press a key, javascript converts the key to the greek equivalent, then puts that key in instead. The problem is, when onKeyUp is activated, i...

Javascript / Jquery Tree Travesal question

Suppose I have the following <ul> <li>Item 1</li> <li>Item 2 <ul> <li>Sub Item</li> </ul> </li> <li>Item 3</li> </ul> This list is auto-generated by some other code (so adding exclusive id's/class' is out of the question. Suppose I have some jquery code that states that if I mouseover an li, it gets a background color. How...

Advantages of createElement over innerHTML?

In practice, what are the advantages of using createElement over innerHTML? I am asking because I'm convinced that using innerHTML is more efficient in terms of performance and code readability/maintainability but my teammates have settled on using createElement as the coding approach. I just wanna understand how createElement can be mor...

How to protect a form HTML/PHP with JS callback to AS3

Hi guys, I'm developing a Flash website (as3) where I need to be able to upload directly to YouTube by using the DATA API. However in order to do so, I had to use a proper HTML form on top of my flash object. Why? Because of the Browser Based Upload restictions. I first hide the form using JQuery and with a little CSS the form is di...

trying to build a web ui tree from scratch

I have seen yahoo ui using div for every node of the tree. Is this a good thing to do. Seems like every node including leaf node is heavily nested. I saw a div, table, tr, td being used for creating a node. Is this necessary. Is there a better way to do the same. I tried to us tr for every node. Are there any issues with this approach ...

Flash vs Javascript

Update 2: To add swf in web page Swf Object 2.0 is most used method, which is a javascript library, so flash will be depend on availability of JavaScript. So if javascript disabled then flash will not play. I always heard approx 5% users in the world keep JavaScript turned off. But Adobe claims Flash content reaches 99% of Intern...

A more effecient millisecond conversion method?

I am currently using this method to convert milliseconds to min:sec:1/10sec. However it does not seem to be efficient at all. Would anyone know of a faster more efficient and optimized way of accomplishing the same. mills.prototype.formatTime = function(time) { var elapsedTime = (time * 1000); //Minutes var elapsedM = (el...

Need code for make barcode data separate into two textfield

hello...i have a problem with my project..i want to use barcode scanner for input data to textfield (i'm using jquery). this barcode scanner read serial number and model name of each product..but after scan, serial number and model name appear in one textfield. how to make them appear separately into different text field..first textfield...

Google Visualization API - Line and Scatter on one Chart.

Does any one know if it is possible to use the Default Google Scatter Chart in the Google Visualizations Gallery to draw a scatter chart that has both a series with points only, a series with a line of best fit and on top of this a set of lines across the chart indicating limits. i.e. at +/- 20% etc. The chart we need is actually a Con...

jQuery: Need to "refresh" a widget.

I am adapting the Coverflow technique to work with a div. The coverflow function (included as a js file in the head section) is here. When I dynamically add a DIV, it doesn't show up in the coverflow. I am wondering if there is a way to add a destroy function to this js file so that whenever a new div add is added, I can call the destroy...

Positioning DIVs with Javascript

I have two divs that I need to position horizontally dependent on the width of the user's screen. I've styled their vertical position in CSS, and I am trying to position them horizontally using Javascript. My divs: <div id="tl"> blah blah </div> <div id="bl"> blah blah </div> My CSS: #tl { position: absolute; top: -14px; ...

What's the most concise cross-browser way to access an <iframe> element's window and document?

I'm trying to figure out the best way to access an <iframe> element's window and document properties from a parent page. The <iframe> may be created via JavaScript or accessed via a reference stored in an object property or a variable, so, if I understand correctly, that rules out the use of document.frames. I've seen this done a number...

What is the proper way to credit public code snippets?

This question might not be a programming problem, but its been bothering me. There is a lot of free js/css scripts out there for public use. I some times use these scripts. If any, what is the formal and proper way to credit these snippets when all i have is a name of a website and a url. I understand that a simple comment might get ...

Using special keys for keybidings in Javascript

I was wondering if it was possible to use special keys that the macbook pro has for music control and bind them in javascript? Example keys: PLay/pause,next, back. I am trying to do this to modify a greasemonkey script if that helps. Here is the current code HotKeys.bindings['/'] = HotKeys.activateSearch; HotKeys.bindings['p'] = HotK...

e.stopPropagation() and event hover...

Is there a way to have both of these work together or do I have to try using the mouseenter and mouseleave instead? ...

In jQuery, is there any way to only bind a click once?

I have an ajax app that will run functions on every interaction. I'd like to be able to run my setup function each time so all my setup code for that function remains encapsulated. However, binding elements more than once means that the handler will run more than once, which is obviously undesirable. Is there an elegant way in jQuery t...

JavaScript IF with AND/OR.. not working

Can someone who is a master at JS tell me what's wrong with this? if ( $.trim($("#add-box-text").val()).length < 2 && $.trim($("#add-box-text").val()) != "Click here to add an item" ) { // If it's LT than 1 Character, don't submit $("#add-box-text").effect('highlight', {color: '#BDC1C7'}, 500); // Refocus $("#add-box-te...

How to override JS function from a firefox extension?

Hello, I am trying to intercept calls to document.write for all pages. Setting up the interception inside the page by injecting a script like function overrideDocWrite() { alert("Override called"); document.write = function(w) { return function(s) { alert("special dom"); w.call(this, wrapString(s)); }; }(document.write); ...

Javascript Rich Display WYSIWYG Component/Methodology

quick back story-- I am working on ASP.Net based template editor that lets authors create text templates using Javascript inserted placeholder tags that will be filled in with dynamic text when the templates are used to display the final results. For example the author might create a template like The word [%12#add] was generated dyna...

jQuery AJAX with multiple URLs

I'm using jQuery to load the images before displaying them. The problem is that I don't know how many images are going to be loaded. The page loads the image paths from a XML file. I'm using this: $.ajax({ url: 'images/BYLINE/1.png', dataType: "image/png", success: function(data) { alert('psil'); }, error: fu...