javascript

rails best practices where to place unobtrusive javascript

Hi there, my rails applications (all 2.3.5) use a total mix of inline javascript, rjs, prototype and jquery. Let's call it learning or growing pains. Lately i have been more and more infatuated with unobtrusive javascript. It makes your html clean, in the same way css cleaned it up. But most examples i have seen are small examples, an...

file layout and setuptools configuration for the python bit of a multi-language library

So we're writing a full-text search framework MongoDb. MongoDB is pretty much javascript-native, so we wrote the javascript library first, and it works. Now I'm trying to write a python framework for it, which will be partially in python, but partially use those same stored javascript functions - the javascript functions are an intrinsi...

Disregard a particular TD element

Below I have the code that allows me to edit a table row inline. However it edits ALL of the TDs within that row. My problem, along with the code, are stated below. Any help is appreciated. <tbody> <tr> <th scope="row">Test</th> <td class="amount">$124</td> <td class="amount" id="" >$154</td> <td ...

Getting all of links from page after load content with jquery load();

After load content to page using div.load('page.php'); I need get all of links from page to change them. So I wrote this: div.load('page.php', function() { links = $('a'); alert(links.length); for(i=0 ; i<links.length ; i++ { link = $('a:nth-child('+(i+1)+')'); alert(link.attr('href')); } }); Th...

Aded controls lost on postback

Hello, I have added html controls through javascript, but when the page postback, all of the added controls are lost. Is there a way to retrieve it? Thanks, JV ...

Get Javascript woking in a reloaded AJAX box

I have the Problem, when i use AJAX for a part of my page like a commentbox, that in the reloaded box no javascript works like cutetime or whatever. So i guess i have to reload the cutetime command (in every reload of the commentbox) it works, but i think i have the cutetime command twice, because if i have a confirm box or anything oth...

Is it possible to create ASP.NET pages without the autogenerate javascript?

As a test, I wanted to have an ASP.NET page rendered without the auto-generated javascript. Is this possible? ...

Implementing zoom on a fixed point, javascript/canvas

I want to implement zooming on the mouse pointer with the mouse wheel. That is scaling the image while the point under the mouse pointer stays fixed. Here is my code, which doesn't work very well var scala = 1 + event.wheelDelta / 1000; canvas.context.translate(-canvas.mouse.x * ( scala - 1 ) / canvas.scale,-canvas.mouse.y * ( scala - ...

Loop through array, print with string.

I have a simple array like: var myArr=["one","two","three"]; an I have a counting loop, which increases the value of var i by one. What I want to do is print the next value from the array each time the loop runs, next to a text string, like so: alert('value number '+myArr[i]+); But for some reason I can't get this to work. The fo...

Get array of elements from event

I have few nested DIV elements. For example: <div id='id1'><div id='id2'>content</div></div> I attach event to DIVs event handler using jQuery: $('div').click(function () { //some code }); There will be two events when user click on content. So there will be two simultaneous events. Is it possible to get inside event handler...

How to find the submit button in a specific form in jQuery

I try to get jQuery object of a submit button in a specific form (there are several forms on the same page). I managed to get the form element itself. It looks something like this: var curForm = curElement.parents("form"); The current Element has the context HTMLInputElement. The several techniques I tried to get the according submit...

how to combine widget webapp framework with SEO-friendly CSS and JS files

Hi guys, I'm writing a webapp using Zend framework and a homebrew widget system. Every widget has a controller and can choose to render one of many views if it chooses. This really helps us modularize and reconfigure and reuse the widgets anywhere on the site. The Problem is that the views of each widget contain their own JS and CSS ...

Help me please, javascript place problem or another thing??

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Urunler.aspx.cs" Inherits="Urunler" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; <html xmlns="http://www.w3.org/1999/xhtml"&gt; <head runat="server"> <meta http-equiv...

Issue editing class style properties using js - issue is with IE

I have a function to edit the style properties of a class Unfortunately IE does not seem to like it but it does not give me an error. Does anyone know what the issue is? Thanks in advance function myRemoveElement(id) { var Node = document.getElementById(id); Node.parentNode.removeChild(Node); } function boolyChangeFoo(wid...

Javascript: Adding selected text to an array

My goal: each time a user selects text, and clicks a button, that text gets added to an array. The problem: each time the button is pressed, the all objects of the array get overridden with the currently selected text. I'd really appreciate help changing the behavior so that the selected text doesn't override all previous array items. ...

jquery select iframe children

I am using the editArea library and jquery to do what i need... http://www.cdolivet.com/index.php?page=editArea&amp;sess=2b8243f679e0d472397bfa959e1d3841 so in my html there is an iframe tag that editArea uses what i need is to access something like so with jquery $('iframe textarea').keydown(function (e){ number = 17; //any number...

How can I return a link to an active state after mouseout?

var menuEnter = { 'color': hoverColor}; var menuLeave = { 'color': 'C0C0C0'}; new ('div#menu a.level1 span.bg', menuEnter, menuLeave, { transition: Fx.Transitions.linear, duration: 200 }, { transition: Fx.Transitions.sineIn, duration: 500 }); I would like the active menu color to not be affected by the mouseleave var. Thank you. ...

can i separate JavaScript If condition?

in PHP we can put HTML between codes like this: <?php if (condition) { ?> <p>True</p> <?php } else { ?> <p>True</p> <?php } ?> can we do this in javascript ? like this ? <script language='JavaScript'> if (condition) { </script> <p>True</p> <script language='JavaScript'> } else { </script> <p>True</p> <script language='Java...

Problem making local copy of a webpage

I want to run this chrome experiment locally. I copied the .html and .js files, along with the two .jpgs that the demo uses. However, when I run it off my local drive, Chrome gives this error: light.js:89 - Uncaught Error: SECURITY_ERR: DOM Exception 18 Line 89 returns the image data from the canvas after drawing the image to it. What...

How to access method variables from within an anonymous function in JavaScript?

I'm writing a small ajax class for personal use. In the class, I have a "post" method for sending post requests. The post method has a callback parameter. In the onreadystatechange propperty, I need to call the callback method. Something like this: this.requestObject.onreadystatechange = function() { callback(this.responseText); ...